From c7b4fdf70f02b89f178a130d7fdcfcf8b2a6b790 Mon Sep 17 00:00:00 2001
From: tengzhonger <109308630+tengzhonger@users.noreply.github.com>
Date: Fri, 10 Feb 2023 15:19:16 -0500
Subject: [PATCH] feat: Support Cloud Bigtable Changestream (#1569)
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* feat: copy preview Change Streams API (#1309)

* chore(deps): update dependency com.google.cloud:libraries-bom to v26 (#1304)

* chore(deps): update dependency com.google.cloud:libraries-bom to v26

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* feat: Copy preview Change Streams API to java client

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* feat: Add ListChangeStreamPartitions callable (#1312)

* feat: Add ListChangeStreamPartitions callable

* feat: Change return type of ListChangeStreamPartitions to RowRange

* feat: Fix format for ListChangeStreamPartitions

* fix: Address comments for ListChangeStreamPartitionsCallable

* feat: Add comments for IntervalApi for ListChangeStreamPartitions

* feat: Ignore renaming of ReadRowsConvertExceptionCallable

Co-authored-by: Teng Zhong <tengzhong@google.com>

* feat: Create ReadChangeStreamQuery and ChangeStreamRecode::Heartbeat/CloseStream (#1318)

* feat: Add ReadChangeStreamQuery and ChangeStreamRecord::Heartbeat/CloseStream

1. ReadChangeStreamQuery will be used by readChangeStream(TODO)
2. ChangeStreamRecord is one of: Heartbeat, CloseStream, or a
ChangeStreamMutation(TODO)

* fix: Address comments about styles

* fix: Remove `InternalApi` tag for package private methods in veneer client

Co-authored-by: Teng Zhong <tengzhong@google.com>

* feat: Add ChangeStreamMutation which is a ChangeStreamRecord (#1324)

* Add ChangeStreamMutation which is a ChangeStreamRecord

A ChangeStreamMutation holds a list of mods, represented by List<Entry>,
where an Entry is one of DeleteFamily/DeleteCells/SetCell.

* fix: Fix styles

* fix: Address comments

* fix: Update Heartbeat to use AutoValue

* fix: Add more comments

* fix: Address comments

* fix: Fix unit test due to toString().

Can't compare ByteString.toString() directly even though the contents
are the same. So we compare their fields and toRowMutation.

Co-authored-by: Teng Zhong <tengzhong@google.com>

* feat: Add ChangeStreamRecordAdapter and ChangeStreamStateMachine (#1334)

* Add ChangeStreamRecordAdapter and ChangeStreamStateMachine

These will be used later for ChangeStreamMergingCallable.

* fix: Fix styles and add some tests.

* fix: Address comments

* fix: Update comments

Co-authored-by: Teng Zhong <tengzhong@google.com>

* feat: Add readChangeStream callables (#1338)

* feat: Add readChangeStream callables

The merging logic is tested in:
ReadChangeStreamMergingCallableTest
ReadChangeStreamMergingAcceptanceTest

* fix: Fix styles

* fix: Make some methods package private

Remove all the mutation related tests in
ChangeStreamRecordMergingCallableTest. Just use the
ReadChangeStreamMergingAcceptanceTest.

* fix: Address comments

* fix: Address some comments

* fix: Add test for [{SC_chunk1}, {SC_chunk2}, {SC_chunk3}]->ChangeStreamMutation{SC}

* fix: Update the changestream.json file for better description

* fix: Update code comments to make style-check happy

* fix: Add sanity check for ChunkedValueSize.

Add comments to explain why we can put the AcceptanceTest in the
google-cloud-bigtable repo

* fix: Fix comment

Co-authored-by: Teng Zhong <tengzhong@google.com>

* feat: Expose some package-private methods to be used by CDC beam code (#1345)

Co-authored-by: Teng Zhong <tengzhong@google.com>

* feat: Implement ReadChangeStreamResumptionStrategy (#1344)

* feat: Implement ReadChangeStreamResumptionStrategy

* fix: Address comments

* fix: Fix typos

* fix: Update comments

* fix: Address comments

Co-authored-by: Teng Zhong <tengzhong@google.com>

* feat: Add toByteString/fromByteString for ChangeStreamContinuationToken (#1346)

* feat: Add toByteString/fromByteString for ChangeStreamContinuationToken

This will be used by the beam connector to write/read to a Bigtable table.

This PR also does:
1. Revert the changes in https://github.com/googleapis/java-bigtable/pull/1345
since we can use Mockito to create mock objects for testing.

* fix: Update comments

* fix: Address comments

* fix: Add InternalExtensionOnly annotations for Heartbeat/CloseStream/ChangeStreamMutation

Co-authored-by: Teng Zhong <tengzhong@google.com>

* feat!: rename ListChangeStreamPartitions to GenerateInitialChangeStreamPartitions (#1347)

* Rename ListChangeStreamPartitions to GenerateInitialChangeStreamPartitions

Change-Id: Id306df92de00e172ae900a9c4bf95de856edd90f

* Fix formatting

Change-Id: I5a45afa15b8b4b65a10fd17987f2d832f6924213

* Fix more formatting

Change-Id: Ib7668abf8f61a5c939323c55dad14bc57501232e

* Fix more formatting after rebase

Change-Id: I88a545e8d34db9f5e675b6ef7409a9fbf3102d3d

* feat: Change CDC related APIs to return ByteStringRange instead of Ro… (#1355)

* feat: Change CDC related APIs to return ByteStringRange instead of RowRange

1. GenerateInitialChangeStreamPartitions
2. ChangeStreamContinuationToken::GetRowRange

* fix: Fix tests

* fix: Address comments

Co-authored-by: Teng Zhong <tengzhong@google.com>

* feat: Return MutationType and bigtable.common.Status instead of raw p… (#1359)

* feat: Return MutationType and bigtable.common.Status instead of raw protos

* fix: remove unused import

* fix: fix test

Co-authored-by: Teng Zhong <tengzhong@google.com>

* feat: Expose CDC data API settings in EnhancedBigtableStubSettings (#1376)

Co-authored-by: Teng Zhong <tengzhong@google.com>

* chore: pull in changes from main branch (#1379)

* chore(deps): update dependency com.google.cloud:libraries-bom to v26 (#1304)

* chore(deps): update dependency com.google.cloud:libraries-bom to v26

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* build: enable longpaths support for windows test (#1485) (#1310)

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* build(deps): update dependency org.codehaus.mojo:extra-enforcer-rules to v1.6.0 (#1305)

* build(deps): update dependency org.codehaus.mojo:extra-enforcer-rules to v1.6.0

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* deps: update dependency org.graalvm.buildtools:junit-platform-native to v0.9.13 (#1306)

* deps: update dependency org.graalvm.buildtools:native-maven-plugin to v0.9.13 (#1307)

* test(deps): update dependency com.google.cloud:google-cloud-conformance-tests to v0.3.2 (#1297)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [com.google.cloud:google-cloud-conformance-tests](https://togithub.com/googleapis/java-shared-config) | `0.3.0` -> `0.3.2` | [![age](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-conformance-tests/0.3.2/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-conformance-tests/0.3.2/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-conformance-tests/0.3.2/compatibility-slim/0.3.0)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-conformance-tests/0.3.2/confidence-slim/0.3.0)](https://docs.renovatebot.com/merge-confidence/) |

---

### Release Notes

<details>
<summary>googleapis/java-shared-config</summary>

### [`v0.3.1`](https://togithub.com/googleapis/java-shared-config/blob/HEAD/CHANGELOG.md#&#8203;031-httpswwwgithubcomgoogleapisjava-shared-configcomparev030v031-2020-01-03)

[Compare Source](https://togithub.com/googleapis/java-shared-config/compare/v0.3.0...v0.3.1)

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* fix: enable integration test for google-cloud-bigtable-stats (#1311)

* fix: enable integration test for graal

* update

* add more comments

* chore: mark native image checks as required (#1313)

* test(deps): update dependency com.google.cloud:google-cloud-conformance-tests to v0.3.3 (#1314)

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|---|---|---|---|---|---|
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* ci: update template so GAPIC_AUTO repos do not require special approvers for Java code (#1494) (#1315)

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* feat: use PingAndWarm request for channel priming (#1179)

Switching channel priming from sending fake ReadRowsRequest to PingAndWarm request, which on the server side will list all the tables for an instance. In the settings we won't need to specify the table Ids to prime.

* build(deps): update dependency org.apache.maven.plugins:maven-deploy-plugin to v3 (#1316)

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|---|---|---|---|---|---|
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* feat: add storage utilization gib per node for autoscaling (#1317)

* feat: add storage utilization gib per node option for autoscaling

* add additional assertion

* add additional tests

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* fix: fix race condition in BuiltinMetricsTracer (#1320)

Thank you for opening a Pull Request! Before submitting your PR, there are a few things you can do to make sure it goes smoothly:
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* chore(main): release 2.10.0 (#1302)

:robot: I have created a release *beep* *boop*
---


## [2.10.0](https://github.com/googleapis/java-bigtable/compare/v2.9.0...v2.10.0) (2022-07-26)


### Features

* add response protos ([#1246](https://github.com/googleapis/java-bigtable/issues/1246)) ([52d59ce](https://github.com/googleapis/java-bigtable/commit/52d59ce18fb5536a17a5cb59da39e563e4afede4))
* add response_params proto to clients ([#1303](https://github.com/googleapis/java-bigtable/issues/1303)) ([93edfe1](https://github.com/googleapis/java-bigtable/commit/93edfe1e43dcfefda6bba3e9ee53ed80eaf2e5c2))
* add storage utilization gib per node for autoscaling ([#1317](https://github.com/googleapis/java-bigtable/issues/1317)) ([5282589](https://github.com/googleapis/java-bigtable/commit/52825891af0e4ec2dd76c0c6fa1379a98a77a08f))
* use PingAndWarm request for channel priming ([#1179](https://github.com/googleapis/java-bigtable/issues/1179)) ([6629821](https://github.com/googleapis/java-bigtable/commit/6629821ea3200d3a5b93c9d45aab6d57485fcebf))


### Bug Fixes

* enable integration test for google-cloud-bigtable-stats ([#1311](https://github.com/googleapis/java-bigtable/issues/1311)) ([7c77879](https://github.com/googleapis/java-bigtable/commit/7c7787998b164ceb55472c0d06c083a835e5d000))
* fix race condition in BuiltinMetricsTracer ([#1320](https://github.com/googleapis/java-bigtable/issues/1320)) ([644454a](https://github.com/googleapis/java-bigtable/commit/644454a9723da359677052b7a4b9201e91e9a78a))
* ignore repackaged files to fix clirr ([#1300](https://github.com/googleapis/java-bigtable/issues/1300)) ([99b67ba](https://github.com/googleapis/java-bigtable/commit/99b67ba5b1625686ac7802a6e40dafc2edceade0))


### Dependencies

* update dependency org.graalvm.buildtools:junit-platform-native to v0.9.13 ([#1306](https://github.com/googleapis/java-bigtable/issues/1306)) ([ddae354](https://github.com/googleapis/java-bigtable/commit/ddae3540fd68e8f79d94d49c96c5685e1bad2f66))
* update dependency org.graalvm.buildtools:native-maven-plugin to v0.9.13 ([#1307](https://github.com/googleapis/java-bigtable/issues/1307)) ([c0740fe](https://github.com/googleapis/java-bigtable/commit/c0740fe30c5cd2bdf6dedf901e2fdb9a84ce64a1))

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* deps: update dependency org.junit.vintage:junit-vintage-engine to v5.9.0 (#1323)

* deps: update dependency org.junit.vintage:junit-vintage-engine to v5.9.0

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* chore(main): release 2.10.1-SNAPSHOT (#1321)

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* fix: retry rst stream in mutations (#1327)

Thank you for opening a Pull Request! Before submitting your PR, there are a few things you can do to make sure it goes smoothly:
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* chore(deps): update dependency com.google.cloud:google-cloud-bigtable to v2.10.0 (#1330)

* chore(deps): update dependency com.google.cloud:google-cloud-bigtable to v2.10.0

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* chore(main): release 2.10.1 (#1325)

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---


## [2.10.1](https://github.com/googleapis/java-bigtable/compare/v2.10.0...v2.10.1) (2022-08-01)


### Bug Fixes

* retry rst stream in mutations ([#1327](https://github.com/googleapis/java-bigtable/issues/1327)) ([1a5b3a2](https://github.com/googleapis/java-bigtable/commit/1a5b3a215b5388678241cadec26a962a512157ac))


### Dependencies

* update dependency org.junit.vintage:junit-vintage-engine to v5.9.0 ([#1323](https://github.com/googleapis/java-bigtable/issues/1323)) ([7655747](https://github.com/googleapis/java-bigtable/commit/76557476744a6404b9df30c97c59f0a7e38a1ed8))

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* build(deps): update dependency org.codehaus.mojo:extra-enforcer-rules to v1.6.1 (#1329)

* chore(main): release 2.10.2-SNAPSHOT (#1331)

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* chore(deps): update dependency com.google.cloud:google-cloud-bigtable to v2.10.1 (#1332)

* chore(deps): update dependency com.google.cloud:google-cloud-bigtable to v2.10.1

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* fix: add a ReadFirstRow callable to set future in onComplete (#1326)

* fix: add a ReadFirstRow callable to set future in onComplete

* use ReadRowsFirst callable instead

* don't use atomic

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* deps: upgrade shared config to 1.5.3, exclude google-http-client and google-http-client-gson from gax in google-cloud-bigtable-stats (#1336)

* deps: upgrade shared config to 1.5.3, remove google-http-client and google-http-client-gson.

* exclude google-http-client and google-http-client-gson from google-cloud-bigtable-stats.

* exclude google-http-client and google-http-client-gson from google-cloud-bigtable-stats.

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* fix: The metadata could be returned in trailer or header depends on i… (#1337)

* fix: The metadata could be returned in trailer or header depends on if sidecar is enabled. Check both for now.

* fix

* fix npe

* fix NPE when metadata is null

* deps: update dependency com.google.cloud:google-cloud-shared-dependencies to v3 (#1328)

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| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [com.google.cloud:google-cloud-shared-dependencies](https://togithub.com/googleapis/java-shared-dependencies) | `2.13.0` -> `3.0.1` | [![age](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-shared-dependencies/3.0.1/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-shared-dependencies/3.0.1/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-shared-dependencies/3.0.1/compatibility-slim/2.13.0)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-shared-dependencies/3.0.1/confidence-slim/2.13.0)](https://docs.renovatebot.com/merge-confidence/) |

---

### Release Notes

<details>
<summary>googleapis/java-shared-dependencies</summary>

### [`v3.0.1`](https://togithub.com/googleapis/java-shared-dependencies/blob/HEAD/CHANGELOG.md#&#8203;301-httpsgithubcomgoogleapisjava-shared-dependenciescomparev300v301-2022-08-02)

[Compare Source](https://togithub.com/googleapis/java-shared-dependencies/compare/v3.0.0...v3.0.1)

##### Dependencies

-   update dependency com.google.code.gson:gson to v2.9.1 ([#&#8203;766](https://togithub.com/googleapis/java-shared-dependencies/issues/766)) ([f7b2b06](https://togithub.com/googleapis/java-shared-dependencies/commit/f7b2b06b80e3e95ff8ab9b1d6a2638ef3069298a))
-   update gax.version to v2.18.7 ([#&#8203;767](https://togithub.com/googleapis/java-shared-dependencies/issues/767)) ([9650368](https://togithub.com/googleapis/java-shared-dependencies/commit/96503682e98cdf348ea2c1365a03a60f4322c712))
-   update google.core.version to v2.8.6 ([#&#8203;770](https://togithub.com/googleapis/java-shared-dependencies/issues/770)) ([cfd4377](https://togithub.com/googleapis/java-shared-dependencies/commit/cfd4377dc178cebb4724065d55d185ce03988d55))

### [`v3.0.0`](https://togithub.com/googleapis/java-shared-dependencies/blob/HEAD/CHANGELOG.md#&#8203;300-httpsgithubcomgoogleapisjava-shared-dependenciescomparev2130v300-2022-07-29)

[Compare Source](https://togithub.com/googleapis/java-shared-dependencies/compare/v2.13.0...v3.0.0)

##### Bug Fixes

-   enable longpaths support for windows test ([#&#8203;1485](https://togithub.com/googleapis/java-shared-dependencies/issues/1485)) ([#&#8203;738](https://togithub.com/googleapis/java-shared-dependencies/issues/738)) ([11bc8f8](https://togithub.com/googleapis/java-shared-dependencies/commit/11bc8f81f28be88a97fdeafca21724e33638770c))

##### Dependencies

-   update dependency com.google.api-client:google-api-client-bom to v1.35.2 ([#&#8203;729](https://togithub.com/googleapis/java-shared-dependencies/issues/729)) ([1fa59af](https://togithub.com/googleapis/java-shared-dependencies/commit/1fa59af80abb9f278f57658c10158567e825fec6))
-   update dependency com.google.api-client:google-api-client-bom to v2 ([#&#8203;746](https://togithub.com/googleapis/java-shared-dependencies/issues/746)) ([2dcb2e0](https://togithub.com/googleapis/java-shared-dependencies/commit/2dcb2e071e0ba0eea21bb575bd13cd559d4a1ca6))
-   update dependency com.google.api.grpc:grpc-google-common-protos to v2.9.2 ([#&#8203;741](https://togithub.com/googleapis/java-shared-dependencies/issues/741)) ([3352d6c](https://togithub.com/googleapis/java-shared-dependencies/commit/3352d6c36111c04e3f6f3e6360470fa3efb10d8f))
-   update dependency com.google.auth:google-auth-library-bom to v1.8.0 ([#&#8203;726](https://togithub.com/googleapis/java-shared-dependencies/issues/726)) ([2c5d64c](https://togithub.com/googleapis/java-shared-dependencies/commit/2c5d64c127db8384e49113acfeac6928716a2d7f))
-   update dependency com.google.auth:google-auth-library-bom to v1.8.1 ([#&#8203;742](https://togithub.com/googleapis/java-shared-dependencies/issues/742)) ([4f53527](https://togithub.com/googleapis/java-shared-dependencies/commit/4f53527bda7f40896711b7c1d1c02453321ffbc8))
-   update dependency com.google.cloud:first-party-dependencies to v2 ([#&#8203;747](https://togithub.com/googleapis/java-shared-dependencies/issues/747)) ([e970ac0](https://togithub.com/googleapis/java-shared-dependencies/commit/e970ac0599941c825dc2516146a7c6673e68a9b9))
-   update dependency com.google.cloud:grpc-gcp to v1.2.1 ([#&#8203;751](https://togithub.com/googleapis/java-shared-dependencies/issues/751)) ([b3284b6](https://togithub.com/googleapis/java-shared-dependencies/commit/b3284b6ee52a96a6ea8696a05a94443df9ee5b9f))
-   update dependency com.google.cloud:third-party-dependencies to v2 ([#&#8203;748](https://togithub.com/googleapis/java-shared-dependencies/issues/748)) ([573b41a](https://togithub.com/googleapis/java-shared-dependencies/commit/573b41a69504372741cbeb01dd200e7c71967186))
-   update dependency com.google.http-client:google-http-client-bom to v1.42.1 ([#&#8203;730](https://togithub.com/googleapis/java-shared-dependencies/issues/730)) ([6b47126](https://togithub.com/googleapis/java-shared-dependencies/commit/6b47126686b603a5d112e097ce6aa3a1880daf6f))
-   update dependency com.google.http-client:google-http-client-bom to v1.42.2 ([#&#8203;749](https://togithub.com/googleapis/java-shared-dependencies/issues/749)) ([299d7b0](https://togithub.com/googleapis/java-shared-dependencies/commit/299d7b0d4920644e2c3070d12dd1d97da17a5e88))
-   update dependency com.google.protobuf:protobuf-bom to v3.21.2 ([#&#8203;722](https://togithub.com/googleapis/java-shared-dependencies/issues/722)) ([7a96b12](https://togithub.com/googleapis/java-shared-dependencies/commit/7a96b1259a526b63e9376fd6cc18b27cddeb5f0f))
-   update dependency com.google.protobuf:protobuf-bom to v3.21.3 ([#&#8203;756](https://togithub.com/googleapis/java-shared-dependencies/issues/756)) ([3d0bac2](https://togithub.com/googleapis/java-shared-dependencies/commit/3d0bac23487aebb94267c0708f41ff6c02a028a4))
-   update dependency com.google.protobuf:protobuf-bom to v3.21.4 ([#&#8203;759](https://togithub.com/googleapis/java-shared-dependencies/issues/759)) ([5a54ef1](https://togithub.com/googleapis/java-shared-dependencies/commit/5a54ef1a2d56244166d4fcc46041d62c0dc4b411))
-   update dependency io.grpc:grpc-bom to v1.48.0 ([#&#8203;752](https://togithub.com/googleapis/java-shared-dependencies/issues/752)) ([20ac908](https://togithub.com/googleapis/java-shared-dependencies/commit/20ac908932a5e7c8e581bdfcd68579d7e1cedd5f))
-   update dependency org.checkerframework:checker-qual to v3.23.0 ([#&#8203;736](https://togithub.com/googleapis/java-shared-dependencies/issues/736)) ([fc01d8f](https://togithub.com/googleapis/java-shared-dependencies/commit/fc01d8f93f391f12fdb800d5006f0b4505832eeb))
-   update gax.version to v2.18.3 ([#&#8203;731](https://togithub.com/googleapis/java-shared-dependencies/issues/731)) ([e8ee554](https://togithub.com/googleapis/java-shared-dependencies/commit/e8ee554707acb2f71c739d08e2ff02fbe43ffa52))
-   update gax.version to v2.18.4 ([#&#8203;735](https://togithub.com/googleapis/java-shared-dependencies/issues/735)) ([11c7415](https://togithub.com/googleapis/java-shared-dependencies/commit/11c74152a84697924de3a0e838b05f606c3098f7))
-   update gax.version to v2.18.5 ([#&#8203;758](https://togithub.com/googleapis/java-shared-dependencies/issues/758)) ([7469fc1](https://togithub.com/googleapis/java-shared-dependencies/commit/7469fc1cc5095b39a5738e60156711a268f6e052))
-   update gax.version to v2.18.6 ([#&#8203;763](https://togithub.com/googleapis/java-shared-dependencies/issues/763)) ([b5ca2f7](https://togithub.com/googleapis/java-shared-dependencies/commit/b5ca2f7b4d81c705823253f4f03363a32d2be48b))
-   update google.common-protos.version to v2.9.1 ([#&#8203;724](https://togithub.com/googleapis/java-shared-dependencies/issues/724)) ([5213dbb](https://togithub.com/googleapis/java-shared-dependencies/commit/5213dbbfa9c9b73d2420ec2be7782f16c9c4955f))
-   update google.core.version to v2.8.1 ([#&#8203;725](https://togithub.com/googleapis/java-shared-dependencies/issues/725)) ([575858a](https://togithub.com/googleapis/java-shared-dependencies/commit/575858a60f76e46bbc2a2435c2b6c01c8f4ab681))
-   update google.core.version to v2.8.3 ([#&#8203;760](https://togithub.com/googleapis/java-shared-dependencies/issues/760)) ([cb10ae4](https://togithub.com/googleapis/java-shared-dependencies/commit/cb10ae4b76939215ea465af74163b3d4ad65a548))
-   update google.core.version to v2.8.4 ([#&#8203;762](https://togithub.com/googleapis/java-shared-dependencies/issues/762)) ([821daaf](https://togithub.com/googleapis/java-shared-dependencies/commit/821daafefdbcfdfe6e363e580747538096a562ef))
-   update google.core.version to v2.8.5 ([#&#8203;764](https://togithub.com/googleapis/java-shared-dependencies/issues/764)) ([a1f8f50](https://togithub.com/googleapis/java-shared-dependencies/commit/a1f8f501b54143a2cec8e72efd4ceb3ce47f13ae))
-   update iam.version to v1.5.0 ([#&#8203;732](https://togithub.com/googleapis/java-shared-dependencies/issues/732)) ([9dce0e5](https://togithub.com/googleapis/java-shared-dependencies/commit/9dce0e5199c1e425119adc804304958f58003a27))
-   update iam.version to v1.5.1 ([#&#8203;737](https://togithub.com/googleapis/java-shared-dependencies/issues/737)) ([df39168](https://togithub.com/googleapis/java-shared-dependencies/commit/df391685d42fcb1b04f03ab1380a594893bdce37))
-   update iam.version to v1.5.2 ([#&#8203;743](https://togithub.com/googleapis/java-shared-dependencies/issues/743)) ([cdde697](https://togithub.com/googleapis/java-shared-dependencies/commit/cdde697f25a89fc8c2ec7eae6b7c54f69977bb1c))

</details>

---

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* chore(main): release 2.10.2 (#1335)

:robot: I have created a release *beep* *boop*
---


## [2.10.2](https://github.com/googleapis/java-bigtable/compare/v2.10.1...v2.10.2) (2022-08-03)


### Bug Fixes

* add a ReadFirstRow callable to set future in onComplete ([#1326](https://github.com/googleapis/java-bigtable/issues/1326)) ([cb539b5](https://github.com/googleapis/java-bigtable/commit/cb539b50d98ec2a8538ce4691b2639426ca95464))
* The metadata could be returned in trailer or header depends on i… ([#1337](https://github.com/googleapis/java-bigtable/issues/1337)) ([c4b8c03](https://github.com/googleapis/java-bigtable/commit/c4b8c03ece7b3f6ec2cea42ff0ca5ac617528060))


### Dependencies

* update dependency com.google.cloud:google-cloud-shared-dependencies to v3 ([#1328](https://github.com/googleapis/java-bigtable/issues/1328)) ([bee0ca0](https://github.com/googleapis/java-bigtable/commit/bee0ca036ab6e711f6069159364f6d3b691e6bfd))
* upgrade shared config to 1.5.3, exclude google-http-client and google-http-client-gson from gax in google-cloud-bigtable-stats ([#1336](https://github.com/googleapis/java-bigtable/issues/1336)) ([98b3349](https://github.com/googleapis/java-bigtable/commit/98b33498d85325d22737fb4bd66826519e96755a))

---
This PR was generated with [Release Please](https://github.com/googleapis/release-please). See [documentation](https://github.com/googleapis/release-please#release-please).

* chore(main): release 2.10.3-SNAPSHOT (#1340)

:robot: I have created a release *beep* *boop*
---


### Updating meta-information for bleeding-edge SNAPSHOT release.

---
This PR was generated with [Release Please](https://github.com/googleapis/release-please). See [documentation](https://github.com/googleapis/release-please#release-please).

* fix: declaring 2 http libraries as runtime (#1341)

* fix: declaring 2 http libraries as runtime

Fixing similar issues as googleapis/java-pubsub#1239

* 🦉 Updates from OwlBot post-processor

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* chore(deps): update dependency com.google.cloud:google-cloud-bigtable to v2.10.2 (#1342)

* chore(deps): update dependency com.google.cloud:google-cloud-bigtable to v2.10.2

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* chore(main): release 2.10.3 (#1343)

Co-authored-by: release-please[bot] <55107282+release-please[bot]@users.noreply.github.com>

* chore(main): release 2.10.4-SNAPSHOT (#1348)

Co-authored-by: release-please[bot] <55107282+release-please[bot]@users.noreply.github.com>

* chore(deps): update dependency com.google.cloud:google-cloud-bigtable to v2.10.3 (#1349)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [com.google.cloud:google-cloud-bigtable](https://togithub.com/googleapis/java-bigtable) | `2.10.2` -> `2.10.3` | [![age](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-bigtable/2.10.3/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-bigtable/2.10.3/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-bigtable/2.10.3/compatibility-slim/2.10.2)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-bigtable/2.10.3/confidence-slim/2.10.2)](https://docs.renovatebot.com/merge-confidence/) |

---

### Release Notes

<details>
<summary>googleapis/java-bigtable</summary>

### [`v2.10.3`](https://togithub.com/googleapis/java-bigtable/blob/HEAD/CHANGELOG.md#&#8203;2103-httpsgithubcomgoogleapisjava-bigtablecomparev2102v2103-2022-08-08)

[Compare Source](https://togithub.com/googleapis/java-bigtable/compare/v2.10.2...v2.10.3)

##### Bug Fixes

-   declaring 2 http libraries as runtime ([#&#8203;1341](https://togithub.com/googleapis/java-bigtable/issues/1341)) ([8071de6](https://togithub.com/googleapis/java-bigtable/commit/8071de6235a6c1aa5873902ca55beaa2a8d64276))

</details>

---

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* feat: add stackdriver exporter (#1247)

* remove status from application latency

* feat: update tracers to use built in metrics

* feat: add response protos

* feat: add response protos

* feat: add stackdriver exporter

* fix tests

* fix dependency

* remove unused dependency

* clean up code

* udpates on comments

* remove unused setting

* make metrics consistent with cloud monitoring

* convert undefined to global

* update

* add bigtable tracer back in the base callable

* fix format

* fix the tag name

* add the link to the form

* fix format

* fix dependency conflicts

* fix image tests

* update undefined cluster to global

* address comments

* tweak export interval

* remove unused metric kind

* get project id from the metrics

* clean up imports

* remove unused method and rewrite create timeseries exporter

* fix integration test

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* chore(deps): update dependency com.google.cloud:libraries-bom to v26.1.0 (#1354)

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|---|---|---|---|---|---|
| [com.google.cloud:libraries-bom](https://cloud.google.com/java/docs/bom) ([source](https://togithub.com/googleapis/java-cloud-bom)) | `26.0.0` -> `26.1.0` | [![age](https://badges.renovateapi.com/packages/maven/com.google.cloud:libraries-bom/26.1.0/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/maven/com.google.cloud:libraries-bom/26.1.0/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/maven/com.google.cloud:libraries-bom/26.1.0/compatibility-slim/26.0.0)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/maven/com.google.cloud:libraries-bom/26.1.0/confidence-slim/26.0.0)](https://docs.renovatebot.com/merge-confidence/) |

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* chore: add opencensus lincese and update readme (#1353)

* chore: add opencensus lincese and update readme

* remove unused implementation

* rename method

* add back transformer

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* chore: add instructions to enable builtin metrics (#1358)

* chore: add instructions to enable builtin metrics

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* deps: update dependency com.google.cloud:google-cloud-monitoring-bom to v3.4.1 (#1352)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [com.google.cloud:google-cloud-monitoring-bom](https://togithub.com/googleapis/java-monitoring) | `3.3.6` -> `3.4.1` | [![age](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-monitoring-bom/3.4.1/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-monitoring-bom/3.4.1/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-monitoring-bom/3.4.1/compatibility-slim/3.3.6)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-monitoring-bom/3.4.1/confidence-slim/3.3.6)](https://docs.renovatebot.com/merge-confidence/) |

---

### Release Notes

<details>
<summary>googleapis/java-monitoring</summary>

### [`v3.4.1`](https://togithub.com/googleapis/java-monitoring/blob/HEAD/CHANGELOG.md#&#8203;341-httpsgithubcomgoogleapisjava-monitoringcomparev340v341-2022-08-11)

[Compare Source](https://togithub.com/googleapis/java-monitoring/compare/v3.4.0...v3.4.1)

##### Bug Fixes

-   fix samples and samples tests for UptimeCheck. ([#&#8203;909](https://togithub.com/googleapis/java-monitoring/issues/909)) ([7143f96](https://togithub.com/googleapis/java-monitoring/commit/7143f96d3e5b4f7f96f184b6367c45980dbb4140))
-   google-auth-library-oauth2-http is runtime scope ([#&#8203;911](https://togithub.com/googleapis/java-monitoring/issues/911)) ([fb080db](https://togithub.com/googleapis/java-monitoring/commit/fb080dbac9a11563d3b21b1defe34720bbcd2f91))

### [`v3.4.0`](https://togithub.com/googleapis/java-monitoring/blob/HEAD/CHANGELOG.md#&#8203;340-httpsgithubcomgoogleapisjava-monitoringcomparev336v340-2022-08-06)

[Compare Source](https://togithub.com/googleapis/java-monitoring/compare/v3.3.6...v3.4.0)

##### Features

-   Added support for evaluating missing data in AlertPolicy ([#&#8203;906](https://togithub.com/googleapis/java-monitoring/issues/906)) ([e9effc8](https://togithub.com/googleapis/java-monitoring/commit/e9effc85f48d7f64ae5b297bace67e7cbafd27b1))

##### Documentation

-   **owlbot-java:** explaining why not using formatter in pom.xml ([#&#8203;1511](https://togithub.com/googleapis/java-monitoring/issues/1511)) ([#&#8203;901](https://togithub.com/googleapis/java-monitoring/issues/901)) ([02e3f6b](https://togithub.com/googleapis/java-monitoring/commit/02e3f6b8af04ad995a488da9794bf391b4c602e5)), closes [#&#8203;1502](https://togithub.com/googleapis/java-monitoring/issues/1502)

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### Release Notes

<details>
<summary>mockito/mockito</summary>

### [`v4.7.0`](https://togithub.com/mockito/mockito/releases/tag/v4.7.0)

[Compare Source](https://togithub.com/mockito/mockito/compare/v4.6.1...v4.7.0)

<sup><sup>*Changelog generated by [Shipkit Changelog Gradle Plugin](https://togithub.com/shipkit/shipkit-changelog)*</sup></sup>

##### 4.7.0

-   2022-08-13 - [33 commit(s)](https://togithub.com/mockito/mockito/compare/v4.6.1...v4.7.0) by [`1988123`](https://togithub.com/mockito/mockito/commit/198812345678), Andy Coates, Chen Ni, Marius Lichtblau, Nikita Koselev. Developer Advocate, Open Source Ally, Rafael Winterhalter, dependabot\[bot], dstango, fishautumn, heqiang
-   Bump com.diffplug.spotless from 6.9.0 to 6.9.1 [(#&#8203;2725)](https://togithub.com/mockito/mockito/pull/2725)
-   Bump versions.bytebuddy from 1.12.12 to 1.12.13 [(#&#8203;2719)](https://togithub.com/mockito/mockito/pull/2719)
-   Fix Javadoc for Mockito. [(#&#8203;2718)](https://togithub.com/mockito/mockito/pull/2718)
-   Bump com.diffplug.spotless from 6.8.0 to 6.9.0 [(#&#8203;2717)](https://togithub.com/mockito/mockito/pull/2717)
-   Fix a typo in comment of InternalRunner.java [(#&#8203;2715)](https://togithub.com/mockito/mockito/pull/2715)
-   Bump junit-platform-launcher from 1.8.2 to 1.9.0 [(#&#8203;2713)](https://togithub.com/mockito/mockito/pull/2713)
-   Bump versions.junitJupiter from 5.8.2 to 5.9.0 [(#&#8203;2712)](https://togithub.com/mockito/mockito/pull/2712)
-   Bump groovy from 3.0.11 to 3.0.12 [(#&#8203;2711)](https://togithub.com/mockito/mockito/pull/2711)
-   Bump shipkit-auto-version from 1.2.0 to 1.2.1 [(#&#8203;2709)](https://togithub.com/mockito/mockito/pull/2709)
-   Bump kotlinVersion from 1.7.0 to 1.7.10 [(#&#8203;2705)](https://togithub.com/mockito/mockito/pull/2705)
-   Bump com.diffplug.spotless from 6.7.2 to 6.8.0 [(#&#8203;2699)](https://togithub.com/mockito/mockito/pull/2699)
-   Bump versions.bytebuddy from 1.12.11 to 1.12.12 [(#&#8203;2695)](https://togithub.com/mockito/mockito/pull/2695)
-   Makes error message less misleading and points to github for help. Issue [#&#8203;2692](https://togithub.com/mockito/mockito/issues/2692) [(#&#8203;2693)](https://togithub.com/mockito/mockito/pull/2693)
-   Misleading error message when mocking and a class (of a parameter) is not found [(#&#8203;2692)](https://togithub.com/mockito/mockito/issues/2692)
-   Bump kotlinx-coroutines-core from 1.6.1-native-mt to 1.6.3-native-mt [(#&#8203;2691)](https://togithub.com/mockito/mockito/pull/2691)
-   Bump versions.bytebuddy from 1.12.10 to 1.12.11 [(#&#8203;2690)](https://togithub.com/mockito/mockito/pull/2690)
-   Fixes [#&#8203;2679](https://togithub.com/mockito/mockito/issues/2679) : Update Javadoc [(#&#8203;2689)](https://togithub.com/mockito/mockito/pull/2689)
-   Bump org.eclipse.osgi from 3.17.200 to 3.18.0 [(#&#8203;2688)](https://togithub.com/mockito/mockito/pull/2688)
-   RETURNS_SELF: Avoids returning mock when mock type is assignable to method return type, but method return type is Object. [(#&#8203;2687)](https://togithub.com/mockito/mockito/pull/2687)
-   RETURNS_SELF breaks methods with generic return type [(#&#8203;2686)](https://togithub.com/mockito/mockito/issues/2686)
-   Fix [#&#8203;2616](https://togithub.com/mockito/mockito/issues/2616) wrong stub for nested static [(#&#8203;2685)](https://togithub.com/mockito/mockito/pull/2685)
-   Bump com.diffplug.spotless from 6.7.0 to 6.7.2 [(#&#8203;2684)](https://togithub.com/mockito/mockito/pull/2684)
-   Avoids starting mocks "half-way" if a superclass constructor is mocked but an unmocked subclass is initiated. [(#&#8203;2682)](https://togithub.com/mockito/mockito/pull/2682)
-   Fix typo [(#&#8203;2681)](https://togithub.com/mockito/mockito/pull/2681)
-   Update javadoc of `Strictness.STRICT_STUBS` [(#&#8203;2679)](https://togithub.com/mockito/mockito/issues/2679)
-   Bump kotlinVersion from 1.6.21 to 1.7.0 [(#&#8203;2677)](https://togithub.com/mockito/mockito/pull/2677)
-   Bump biz.aQute.bnd.builder from 6.3.0 to 6.3.1 [(#&#8203;2675)](https://togithub.com/mockito/mockito/pull/2675)
-   Bump biz.aQute.bnd.gradle from 6.3.0 to 6.3.1 [(#&#8203;2674)](https://togithub.com/mockito/mockito/pull/2674)
-   Bump com.diffplug.spotless from 6.6.1 to 6.7.0 [(#&#8203;2672)](https://togithub.com/mockito/mockito/pull/2672)
-   update CONTRIBUTING.md - stackoverflow [(#&#8203;2671)](https://togithub.com/mockito/mockito/pull/2671)
-   stackoverflow.com is a non-actionable text, to be replaced with a hyperlink [(#&#8203;2670)](https://togithub.com/mockito/mockito/issues/2670)
-   Fix typos [(#&#8203;2669)](https://togithub.com/mockito/mockito/pull/2669)
-   Bump biz.aQute.bnd.gradle from 6.2.0 to 6.3.0 [(#&#8203;2666)](https://togithub.com/mockito/mockito/pull/2666)
-   Bump biz.aQute.bnd.builder from 6.2.0 to 6.3.0 [(#&#8203;2665)](https://togithub.com/mockito/mockito/pull/2665)
-   Improve Varargs handling in AdditionalAnswers [(#&#8203;2664)](https://togithub.com/mockito/mockito/pull/2664)
-   Bump appcompat from 1.4.1 to 1.4.2 [(#&#8203;2663)](https://togithub.com/mockito/mockito/pull/2663)
-   Varargs methods cause `ClassCastException` in `AnswerFunctionalInterfaces` [(#&#8203;2644)](https://togithub.com/mockito/mockito/issues/2644)
-   Mock static class seems records wrong invocations if called nested method throws exception [(#&#8203;2616)](https://togithub.com/mockito/mockito/issues/2616)

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* test(deps): update dependency com.google.cloud:google-cloud-conformance-tests to v0.3.4 (#1351)

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* build(deps): update dependency org.apache.maven.plugins:maven-javadoc-plugin to v3.4.1 (#1357)

* chore(main): release 2.11.0 (#1350)

:robot: I have created a release *beep* *boop*
---


## [2.11.0](https://github.com/googleapis/java-bigtable/compare/v2.10.3...v2.11.0) (2022-08-17)


### Features

* add stackdriver exporter ([#1247](https://github.com/googleapis/java-bigtable/issues/1247)) ([7ce915e](https://github.com/googleapis/java-bigtable/commit/7ce915e34c1ccce30bee78bda9e024a620cde737))


### Dependencies

* update dependency com.google.cloud:google-cloud-monitoring-bom to v3.4.1 ([#1352](https://github.com/googleapis/java-bigtable/issues/1352)) ([f8d97e5](https://github.com/googleapis/java-bigtable/commit/f8d97e557318eab214f3d916c029bfa153cf7455))

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* chore(main): release 2.11.1-SNAPSHOT (#1361)

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* chore(deps): update dependency com.google.cloud:google-cloud-bigtable to v2.11.0 (#1362)

* chore(deps): update dependency com.google.cloud:google-cloud-bigtable to v2.11.0

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* test: add integration test for builtin metrics (#1360)

* test: add integration test for builtin metrics

* add license

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* build(deps): update dependency org.apache.maven.shared:maven-dependency-tree to v3.2.0 (#1363)

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* fix: reset a measure map everytime the stats are recorded (#1364)

* chore(main): release 2.11.1 (#1365)

:robot: I have created a release *beep* *boop*
---


## [2.11.1](https://github.com/googleapis/java-bigtable/compare/v2.11.0...v2.11.1) (2022-08-26)


### Bug Fixes

* reset a measure map everytime the stats are recorded ([#1364](https://github.com/googleapis/java-bigtable/issues/1364)) ([1683365](https://github.com/googleapis/java-bigtable/commit/1683365938178bb61b1e9c871f1971449ee942c2))

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* chore(deps): update dependency com.google.cloud:google-cloud-bigtable to v2.11.1 (#1367)

* chore(deps): update dependency com.google.cloud:google-cloud-bigtable to v2.11.1

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* chore(deps): update dependency com.google.cloud:libraries-bom to v26.1.1 (#1370)

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* fix: make cloud-monitoring a runtime dependency (#1371)

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* test: disable integration test (#1375)

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---

### Release Notes

<details>
<summary>googleapis/java-monitoring</summary>

### [`v3.4.2`](https://togithub.com/googleapis/java-monitoring/blob/HEAD/CHANGELOG.md#&#8203;342-httpsgithubcomgoogleapisjava-monitoringcomparev341v342-2022-08-31)

[Compare Source](https://togithub.com/googleapis/java-monitoring/compare/v3.4.1...v3.4.2)

##### Dependencies

-   update dependency com.google.protobuf:protobuf-java-util to v3.21.5 ([#&#8203;910](https://togithub.com/googleapis/java-monitoring/issues/910)) ([c9f0f96](https://togithub.com/googleapis/java-monitoring/commit/c9f0f9602209c077d614245f87e06527b897d461))

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* test: fix metrics integration test, remove the server latency since this field… (#1377)

* fix: fix integration test, remove the server latency since this field may not exist

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* chore: pull in changes from main branch (#1544)

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* build: enable longpaths support for windows test (#1485) (#1310)

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* deps: update dependency org.graalvm.buildtools:junit-platform-native to v0.9.13 (#1306)

* deps: update dependency org.graalvm.buildtools:native-maven-plugin to v0.9.13 (#1307)

* test(deps): update dependency com.google.cloud:google-cloud-conformance-tests to v0.3.2 (#1297)

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|---|---|---|---|---|---|
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---

### Release Notes

<details>
<summary>googleapis/java-shared-config</summary>

### [`v0.3.1`](https://togithub.com/googleapis/java-shared-config/blob/HEAD/CHANGELOG.md#&#8203;031-httpswwwgithubcomgoogleapisjava-shared-configcomparev030v031-2020-01-03)

[Compare Source](https://togithub.com/googleapis/java-shared-config/compare/v0.3.0...v0.3.1)

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* fix: enable integration test for google-cloud-bigtable-stats (#1311)

* fix: enable integration test for graal

* update

* add more comments

* chore: mark native image checks as required (#1313)

* test(deps): update dependency com.google.cloud:google-cloud-conformance-tests to v0.3.3 (#1314)

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* ci: update template so GAPIC_AUTO repos do not require special approvers for Java code (#1494) (#1315)

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* feat: use PingAndWarm request for channel priming (#1179)

Switching channel priming from sending fake ReadRowsRequest to PingAndWarm request, which on the server side will list all the tables for an instance. In the settings we won't need to specify the table Ids to prime.

* build(deps): update dependency org.apache.maven.plugins:maven-deploy-plugin to v3 (#1316)

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* feat: add storage utilization gib per node for autoscaling (#1317)

* feat: add storage utilization gib per node option for autoscaling

* add additional assertion

* add additional tests

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* fix: fix race condition in BuiltinMetricsTracer (#1320)

Thank you for opening a Pull Request! Before submitting your PR, there are a few things you can do to make sure it goes smoothly:
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* chore(main): release 2.10.0 (#1302)

:robot: I have created a release *beep* *boop*
---


## [2.10.0](https://github.com/googleapis/java-bigtable/compare/v2.9.0...v2.10.0) (2022-07-26)


### Features

* add response protos ([#1246](https://github.com/googleapis/java-bigtable/issues/1246)) ([52d59ce](https://github.com/googleapis/java-bigtable/commit/52d59ce18fb5536a17a5cb59da39e563e4afede4))
* add response_params proto to clients ([#1303](https://github.com/googleapis/java-bigtable/issues/1303)) ([93edfe1](https://github.com/googleapis/java-bigtable/commit/93edfe1e43dcfefda6bba3e9ee53ed80eaf2e5c2))
* add storage utilization gib per node for autoscaling ([#1317](https://github.com/googleapis/java-bigtable/issues/1317)) ([5282589](https://github.com/googleapis/java-bigtable/commit/52825891af0e4ec2dd76c0c6fa1379a98a77a08f))
* use PingAndWarm request for channel priming ([#1179](https://github.com/googleapis/java-bigtable/issues/1179)) ([6629821](https://github.com/googleapis/java-bigtable/commit/6629821ea3200d3a5b93c9d45aab6d57485fcebf))


### Bug Fixes

* enable integration test for google-cloud-bigtable-stats ([#1311](https://github.com/googleapis/java-bigtable/issues/1311)) ([7c77879](https://github.com/googleapis/java-bigtable/commit/7c7787998b164ceb55472c0d06c083a835e5d000))
* fix race condition in BuiltinMetricsTracer ([#1320](https://github.com/googleapis/java-bigtable/issues/1320)) ([644454a](https://github.com/googleapis/java-bigtable/commit/644454a9723da359677052b7a4b9201e91e9a78a))
* ignore repackaged files to fix clirr ([#1300](https://github.com/googleapis/java-bigtable/issues/1300)) ([99b67ba](https://github.com/googleapis/java-bigtable/commit/99b67ba5b1625686ac7802a6e40dafc2edceade0))


### Dependencies

* update dependency org.graalvm.buildtools:junit-platform-native to v0.9.13 ([#1306](https://github.com/googleapis/java-bigtable/issues/1306)) ([ddae354](https://github.com/googleapis/java-bigtable/commit/ddae3540fd68e8f79d94d49c96c5685e1bad2f66))
* update dependency org.graalvm.buildtools:native-maven-plugin to v0.9.13 ([#1307](https://github.com/googleapis/java-bigtable/issues/1307)) ([c0740fe](https://github.com/googleapis/java-bigtable/commit/c0740fe30c5cd2bdf6dedf901e2fdb9a84ce64a1))

---
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* deps: update dependency org.junit.vintage:junit-vintage-engine to v5.9.0 (#1323)

* deps: update dependency org.junit.vintage:junit-vintage-engine to v5.9.0

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* chore(main): release 2.10.1-SNAPSHOT (#1321)

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* fix: retry rst stream in mutations (#1327)

Thank you for opening a Pull Request! Before submitting your PR, there are a few things you can do to make sure it goes smoothly:
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* chore(deps): update dependency com.google.cloud:google-cloud-bigtable to v2.10.0 (#1330)

* chore(deps): update dependency com.google.cloud:google-cloud-bigtable to v2.10.0

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* chore(main): release 2.10.1 (#1325)

:robot: I have created a release *beep* *boop*
---


## [2.10.1](https://github.com/googleapis/java-bigtable/compare/v2.10.0...v2.10.1) (2022-08-01)


### Bug Fixes

* retry rst stream in mutations ([#1327](https://github.com/googleapis/java-bigtable/issues/1327)) ([1a5b3a2](https://github.com/googleapis/java-bigtable/commit/1a5b3a215b5388678241cadec26a962a512157ac))


### Dependencies

* update dependency org.junit.vintage:junit-vintage-engine to v5.9.0 ([#1323](https://github.com/googleapis/java-bigtable/issues/1323)) ([7655747](https://github.com/googleapis/java-bigtable/commit/76557476744a6404b9df30c97c59f0a7e38a1ed8))

---
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* build(deps): update dependency org.codehaus.mojo:extra-enforcer-rules to v1.6.1 (#1329)

* chore(main): release 2.10.2-SNAPSHOT (#1331)

Co-authored-by: release-please[bot] <55107282+release-please[bot]@users.noreply.github.com>

* chore(deps): update dependency com.google.cloud:google-cloud-bigtable to v2.10.1 (#1332)

* chore(deps): update dependency com.google.cloud:google-cloud-bigtable to v2.10.1

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* fix: add a ReadFirstRow callable to set future in onComplete (#1326)

* fix: add a ReadFirstRow callable to set future in onComplete

* use ReadRowsFirst callable instead

* don't use atomic

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* deps: upgrade shared config to 1.5.3, exclude google-http-client and google-http-client-gson from gax in google-cloud-bigtable-stats (#1336)

* deps: upgrade shared config to 1.5.3, remove google-http-client and google-http-client-gson.

* exclude google-http-client and google-http-client-gson from google-cloud-bigtable-stats.

* exclude google-http-client and google-http-client-gson from google-cloud-bigtable-stats.

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* fix: The metadata could be returned in trailer or header depends on i… (#1337)

* fix: The metadata could be returned in trailer or header depends on if sidecar is enabled. Check both for now.

* fix

* fix npe

* fix NPE when metadata is null

* deps: update dependency com.google.cloud:google-cloud-shared-dependencies to v3 (#1328)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [com.google.cloud:google-cloud-shared-dependencies](https://togithub.com/googleapis/java-shared-dependencies) | `2.13.0` -> `3.0.1` | [![age](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-shared-dependencies/3.0.1/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-shared-dependencies/3.0.1/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-shared-dependencies/3.0.1/compatibility-slim/2.13.0)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-shared-dependencies/3.0.1/confidence-slim/2.13.0)](https://docs.renovatebot.com/merge-confidence/) |

---

### Release Notes

<details>
<summary>googleapis/java-shared-dependencies</summary>

### [`v3.0.1`](https://togithub.com/googleapis/java-shared-dependencies/blob/HEAD/CHANGELOG.md#&#8203;301-httpsgithubcomgoogleapisjava-shared-dependenciescomparev300v301-2022-08-02)

[Compare Source](https://togithub.com/googleapis/java-shared-dependencies/compare/v3.0.0...v3.0.1)

##### Dependencies

-   update dependency com.google.code.gson:gson to v2.9.1 ([#&#8203;766](https://togithub.com/googleapis/java-shared-dependencies/issues/766)) ([f7b2b06](https://togithub.com/googleapis/java-shared-dependencies/commit/f7b2b06b80e3e95ff8ab9b1d6a2638ef3069298a))
-   update gax.version to v2.18.7 ([#&#8203;767](https://togithub.com/googleapis/java-shared-dependencies/issues/767)) ([9650368](https://togithub.com/googleapis/java-shared-dependencies/commit/96503682e98cdf348ea2c1365a03a60f4322c712))
-   update google.core.version to v2.8.6 ([#&#8203;770](https://togithub.com/googleapis/java-shared-dependencies/issues/770)) ([cfd4377](https://togithub.com/googleapis/java-shared-dependencies/commit/cfd4377dc178cebb4724065d55d185ce03988d55))

### [`v3.0.0`](https://togithub.com/googleapis/java-shared-dependencies/blob/HEAD/CHANGELOG.md#&#8203;300-httpsgithubcomgoogleapisjava-shared-dependenciescomparev2130v300-2022-07-29)

[Compare Source](https://togithub.com/googleapis/java-shared-dependencies/compare/v2.13.0...v3.0.0)

##### Bug Fixes

-   enable longpaths support for windows test ([#&#8203;1485](https://togithub.com/googleapis/java-shared-dependencies/issues/1485)) ([#&#8203;738](https://togithub.com/googleapis/java-shared-dependencies/issues/738)) ([11bc8f8](https://togithub.com/googleapis/java-shared-dependencies/commit/11bc8f81f28be88a97fdeafca21724e33638770c))

##### Dependencies

-   update dependency com.google.api-client:google-api-client-bom to v1.35.2 ([#&#8203;729](https://togithub.com/googleapis/java-shared-dependencies/issues/729)) ([1fa59af](https://togithub.com/googleapis/java-shared-dependencies/commit/1fa59af80abb9f278f57658c10158567e825fec6))
-   update dependency com.google.api-client:google-api-client-bom to v2 ([#&#8203;746](https://togithub.com/googleapis/java-shared-dependencies/issues/746)) ([2dcb2e0](https://togithub.com/googleapis/java-shared-dependencies/commit/2dcb2e071e0ba0eea21bb575bd13cd559d4a1ca6))
-   update dependency com.google.api.grpc:grpc-google-common-protos to v2.9.2 ([#&#8203;741](https://togithub.com/googleapis/java-shared-dependencies/issues/741)) ([3352d6c](https://togithub.com/googleapis/java-shared-dependencies/commit/3352d6c36111c04e3f6f3e6360470fa3efb10d8f))
-   update dependency com.google.auth:google-auth-library-bom to v1.8.0 ([#&#8203;726](https://togithub.com/googleapis/java-shared-dependencies/issues/726)) ([2c5d64c](https://togithub.com/googleapis/java-shared-dependencies/commit/2c5d64c127db8384e49113acfeac6928716a2d7f))
-   update dependency com.google.auth:google-auth-library-bom to v1.8.1 ([#&#8203;742](https://togithub.com/googleapis/java-shared-dependencies/issues/742)) ([4f53527](https://togithub.com/googleapis/java-shared-dependencies/commit/4f53527bda7f40896711b7c1d1c02453321ffbc8))
-   update dependency com.google.cloud:first-party-dependencies to v2 ([#&#8203;747](https://togithub.com/googleapis/java-shared-dependencies/issues/747)) ([e970ac0](https://togithub.com/googleapis/java-shared-dependencies/commit/e970ac0599941c825dc2516146a7c6673e68a9b9))
-   update dependency com.google.cloud:grpc-gcp to v1.2.1 ([#&#8203;751](https://togithub.com/googleapis/java-shared-dependencies/issues/751)) ([b3284b6](https://togithub.com/googleapis/java-shared-dependencies/commit/b3284b6ee52a96a6ea8696a05a94443df9ee5b9f))
-   update dependency com.google.cloud:third-party-dependencies to v2 ([#&#8203;748](https://togithub.com/googleapis/java-shared-dependencies/issues/748)) ([573b41a](https://togithub.com/googleapis/java-shared-dependencies/commit/573b41a69504372741cbeb01dd200e7c71967186))
-   update dependency com.google.http-client:google-http-client-bom to v1.42.1 ([#&#8203;730](https://togithub.com/googleapis/java-shared-dependencies/issues/730)) ([6b47126](https://togithub.com/googleapis/java-shared-dependencies/commit/6b47126686b603a5d112e097ce6aa3a1880daf6f))
-   update dependency com.google.http-client:google-http-client-bom to v1.42.2 ([#&#8203;749](https://togithub.com/googleapis/java-shared-dependencies/issues/749)) ([299d7b0](https://togithub.com/googleapis/java-shared-dependencies/commit/299d7b0d4920644e2c3070d12dd1d97da17a5e88))
-   update dependency com.google.protobuf:protobuf-bom to v3.21.2 ([#&#8203;722](https://togithub.com/googleapis/java-shared-dependencies/issues/722)) ([7a96b12](https://togithub.com/googleapis/java-shared-dependencies/commit/7a96b1259a526b63e9376fd6cc18b27cddeb5f0f))
-   update dependency com.google.protobuf:protobuf-bom to v3.21.3 ([#&#8203;756](https://togithub.com/googleapis/java-shared-dependencies/issues/756)) ([3d0bac2](https://togithub.com/googleapis/java-shared-dependencies/commit/3d0bac23487aebb94267c0708f41ff6c02a028a4))
-   update dependency com.google.protobuf:protobuf-bom to v3.21.4 ([#&#8203;759](https://togithub.com/googleapis/java-shared-dependencies/issues/759)) ([5a54ef1](https://togithub.com/googleapis/java-shared-dependencies/commit/5a54ef1a2d56244166d4fcc46041d62c0dc4b411))
-   update dependency io.grpc:grpc-bom to v1.48.0 ([#&#8203;752](https://togithub.com/googleapis/java-shared-dependencies/issues/752)) ([20ac908](https://togithub.com/googleapis/java-shared-dependencies/commit/20ac908932a5e7c8e581bdfcd68579d7e1cedd5f))
-   update dependency org.checkerframework:checker-qual to v3.23.0 ([#&#8203;736](https://togithub.com/googleapis/java-shared-dependencies/issues/736)) ([fc01d8f](https://togithub.com/googleapis/java-shared-dependencies/commit/fc01d8f93f391f12fdb800d5006f0b4505832eeb))
-   update gax.version to v2.18.3 ([#&#8203;731](https://togithub.com/googleapis/java-shared-dependencies/issues/731)) ([e8ee554](https://togithub.com/googleapis/java-shared-dependencies/commit/e8ee554707acb2f71c739d08e2ff02fbe43ffa52))
-   update gax.version to v2.18.4 ([#&#8203;735](https://togithub.com/googleapis/java-shared-dependencies/issues/735)) ([11c7415](https://togithub.com/googleapis/java-shared-dependencies/commit/11c74152a84697924de3a0e838b05f606c3098f7))
-   update gax.version to v2.18.5 ([#&#8203;758](https://togithub.com/googleapis/java-shared-dependencies/issues/758)) ([7469fc1](https://togithub.com/googleapis/java-shared-dependencies/commit/7469fc1cc5095b39a5738e60156711a268f6e052))
-   update gax.version to v2.18.6 ([#&#8203;763](https://togithub.com/googleapis/java-shared-dependencies/issues/763)) ([b5ca2f7](https://togithub.com/googleapis/java-shared-dependencies/commit/b5ca2f7b4d81c705823253f4f03363a32d2be48b))
-   update google.common-protos.version to v2.9.1 ([#&#8203;724](https://togithub.com/googleapis/java-shared-dependencies/issues/724)) ([5213dbb](https://togithub.com/googleapis/java-shared-dependencies/commit/5213dbbfa9c9b73d2420ec2be7782f16c9c4955f))
-   update google.core.version to v2.8.1 ([#&#8203;725](https://togithub.com/googleapis/java-shared-dependencies/issues/725)) ([575858a](https://togithub.com/googleapis/java-shared-dependencies/commit/575858a60f76e46bbc2a2435c2b6c01c8f4ab681))
-   update google.core.version to v2.8.3 ([#&#8203;760](https://togithub.com/googleapis/java-shared-dependencies/issues/760)) ([cb10ae4](https://togithub.com/googleapis/java-shared-dependencies/commit/cb10ae4b76939215ea465af74163b3d4ad65a548))
-   update google.core.version to v2.8.4 ([#&#8203;762](https://togithub.com/googleapis/java-shared-dependencies/issues/762)) ([821daaf](https://togithub.com/googleapis/java-shared-dependencies/commit/821daafefdbcfdfe6e363e580747538096a562ef))
-   update google.core.version to v2.8.5 ([#&#8203;764](https://togithub.com/googleapis/java-shared-dependencies/issues/764)) ([a1f8f50](https://togithub.com/googleapis/java-shared-dependencies/commit/a1f8f501b54143a2cec8e72efd4ceb3ce47f13ae))
-   update iam.version to v1.5.0 ([#&#8203;732](https://togithub.com/googleapis/java-shared-dependencies/issues/732)) ([9dce0e5](https://togithub.com/googleapis/java-shared-dependencies/commit/9dce0e5199c1e425119adc804304958f58003a27))
-   update iam.version to v1.5.1 ([#&#8203;737](https://togithub.com/googleapis/java-shared-dependencies/issues/737)) ([df39168](https://togithub.com/googleapis/java-shared-dependencies/commit/df391685d42fcb1b04f03ab1380a594893bdce37))
-   update iam.version to v1.5.2 ([#&#8203;743](https://togithub.com/googleapis/java-shared-dependencies/issues/743)) ([cdde697](https://togithub.com/googleapis/java-shared-dependencies/commit/cdde697f25a89fc8c2ec7eae6b7c54f69977bb1c))

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* chore(main): release 2.10.2 (#1335)

:robot: I have created a release *beep* *boop*
---


## [2.10.2](https://github.com/googleapis/java-bigtable/compare/v2.10.1...v2.10.2) (2022-08-03)


### Bug Fixes

* add a ReadFirstRow callable to set future in onComplete ([#1326](https://github.com/googleapis/java-bigtable/issues/1326)) ([cb539b5](https://github.com/googleapis/java-bigtable/commit/cb539b50d98ec2a8538ce4691b2639426ca95464))
* The metadata could be returned in trailer or header depends on i… ([#1337](https://github.com/googleapis/java-bigtable/issues/1337)) ([c4b8c03](https://github.com/googleapis/java-bigtable/commit/c4b8c03ece7b3f6ec2cea42ff0ca5ac617528060))


### Dependencies

* update dependency com.google.cloud:google-cloud-shared-dependencies to v3 ([#1328](https://github.com/googleapis/java-bigtable/issues/1328)) ([bee0ca0](https://github.com/googleapis/java-bigtable/commit/bee0ca036ab6e711f6069159364f6d3b691e6bfd))
* upgrade shared config to 1.5.3, exclude google-http-client and google-http-client-gson from gax in google-cloud-bigtable-stats ([#1336](https://github.com/googleapis/java-bigtable/issues/1336)) ([98b3349](https://github.com/googleapis/java-bigtable/commit/98b33498d85325d22737fb4bd66826519e96755a))

---
This PR was generated with [Release Please](https://github.com/googleapis/release-please). See [documentation](https://github.com/googleapis/release-please#release-please).

* chore(main): release 2.10.3-SNAPSHOT (#1340)

:robot: I have created a release *beep* *boop*
---


### Updating meta-information for bleeding-edge SNAPSHOT release.

---
This PR was generated with [Release Please](https://github.com/googleapis/release-please). See [documentation](https://github.com/googleapis/release-please#release-please).

* fix: declaring 2 http libraries as runtime (#1341)

* fix: declaring 2 http libraries as runtime

Fixing similar issues as googleapis/java-pubsub#1239

* 🦉 Updates from OwlBot post-processor

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* chore(deps): update dependency com.google.cloud:google-cloud-bigtable to v2.10.2 (#1342)

* chore(deps): update dependency com.google.cloud:google-cloud-bigtable to v2.10.2

* 🦉 Updates from OwlBot post-processor

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* chore(main): release 2.10.3 (#1343)

Co-authored-by: release-please[bot] <55107282+release-please[bot]@users.noreply.github.com>

* chore(main): release 2.10.4-SNAPSHOT (#1348)

Co-authored-by: release-please[bot] <55107282+release-please[bot]@users.noreply.github.com>

* chore(deps): update dependency com.google.cloud:google-cloud-bigtable to v2.10.3 (#1349)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [com.google.cloud:google-cloud-bigtable](https://togithub.com/googleapis/java-bigtable) | `2.10.2` -> `2.10.3` | [![age](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-bigtable/2.10.3/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-bigtable/2.10.3/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-bigtable/2.10.3/compatibility-slim/2.10.2)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-bigtable/2.10.3/confidence-slim/2.10.2)](https://docs.renovatebot.com/merge-confidence/) |

---

### Release Notes

<details>
<summary>googleapis/java-bigtable</summary>

### [`v2.10.3`](https://togithub.com/googleapis/java-bigtable/blob/HEAD/CHANGELOG.md#&#8203;2103-httpsgithubcomgoogleapisjava-bigtablecomparev2102v2103-2022-08-08)

[Compare Source](https://togithub.com/googleapis/java-bigtable/compare/v2.10.2...v2.10.3)

##### Bug Fixes

-   declaring 2 http libraries as runtime ([#&#8203;1341](https://togithub.com/googleapis/java-bigtable/issues/1341)) ([8071de6](https://togithub.com/googleapis/java-bigtable/commit/8071de6235a6c1aa5873902ca55beaa2a8d64276))

</details>

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* feat: add stackdriver exporter (#1247)

* remove status from application latency

* feat: update tracers to use built in metrics

* feat: add response protos

* feat: add response protos

* feat: add stackdriver exporter

* fix tests

* fix dependency

* remove unused dependency

* clean up code

* udpates on comments

* remove unused setting

* make metrics consistent with cloud monitoring

* convert undefined to global

* update

* add bigtable tracer back in the base callable

* fix format

* fix the tag name

* add the link to the form

* fix format

* fix dependency conflicts

* fix image tests

* update undefined cluster to global

* address comments

* tweak export interval

* remove unused metric kind

* get project id from the metrics

* clean up imports

* remove unused method and rewrite create timeseries exporter

* fix integration test

* 🦉 Updates from OwlBot post-processor

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* chore(deps): update dependency com.google.cloud:libraries-bom to v26.1.0 (#1354)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [com.google.cloud:libraries-bom](https://cloud.google.com/java/docs/bom) ([source](https://togithub.com/googleapis/java-cloud-bom)) | `26.0.0` -> `26.1.0` | [![age](https://badges.renovateapi.com/packages/maven/com.google.cloud:libraries-bom/26.1.0/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/maven/com.google.cloud:libraries-bom/26.1.0/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/maven/com.google.cloud:libraries-bom/26.1.0/compatibility-slim/26.0.0)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/maven/com.google.cloud:libraries-bom/26.1.0/confidence-slim/26.0.0)](https://docs.renovatebot.com/merge-confidence/) |

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* chore: add opencensus lincese and update readme (#1353)

* chore: add opencensus lincese and update readme

* remove unused implementation

* rename method

* add back transformer

* 🦉 Updates from OwlBot post-processor

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* chore: add instructions to enable builtin metrics (#1358)

* chore: add instructions to enable builtin metrics

* 🦉 Updates from OwlBot post-processor

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* deps: update dependency com.google.cloud:google-cloud-monitoring-bom to v3.4.1 (#1352)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [com.google.cloud:google-cloud-monitoring-bom](https://togithub.com/googleapis/java-monitoring) | `3.3.6` -> `3.4.1` | [![age](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-monitoring-bom/3.4.1/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-monitoring-bom/3.4.1/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-monitoring-bom/3.4.1/compatibility-slim/3.3.6)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-monitoring-bom/3.4.1/confidence-slim/3.3.6)](https://docs.renovatebot.com/merge-confidence/) |

---

### Release Notes

<details>
<summary>googleapis/java-monitoring</summary>

### [`v3.4.1`](https://togithub.com/googleapis/java-monitoring/blob/HEAD/CHANGELOG.md#&#8203;341-httpsgithubcomgoogleapisjava-monitoringcomparev340v341-2022-08-11)

[Compare Source](https://togithub.com/googleapis/java-monitoring/compare/v3.4.0...v3.4.1)

##### Bug Fixes

-   fix samples and samples tests for UptimeCheck. ([#&#8203;909](https://togithub.com/googleapis/java-monitoring/issues/909)) ([7143f96](https://togithub.com/googleapis/java-monitoring/commit/7143f96d3e5b4f7f96f184b6367c45980dbb4140))
-   google-auth-library-oauth2-http is runtime scope ([#&#8203;911](https://togithub.com/googleapis/java-monitoring/issues/911)) ([fb080db](https://togithub.com/googleapis/java-monitoring/commit/fb080dbac9a11563d3b21b1defe34720bbcd2f91))

### [`v3.4.0`](https://togithub.com/googleapis/java-monitoring/blob/HEAD/CHANGELOG.md#&#8203;340-httpsgithubcomgoogleapisjava-monitoringcomparev336v340-2022-08-06)

[Compare Source](https://togithub.com/googleapis/java-monitoring/compare/v3.3.6...v3.4.0)

##### Features

-   Added support for evaluating missing data in AlertPolicy ([#&#8203;906](https://togithub.com/googleapis/java-monitoring/issues/906)) ([e9effc8](https://togithub.com/googleapis/java-monitoring/commit/e9effc85f48d7f64ae5b297bace67e7cbafd27b1))

##### Documentation

-   **owlbot-java:** explaining why not using formatter in pom.xml ([#&#8203;1511](https://togithub.com/googleapis/java-monitoring/issues/1511)) ([#&#8203;901](https://togithub.com/googleapis/java-monitoring/issues/901)) ([02e3f6b](https://togithub.com/googleapis/java-monitoring/commit/02e3f6b8af04ad995a488da9794bf391b4c602e5)), closes [#&#8203;1502](https://togithub.com/googleapis/java-monitoring/issues/1502)

</details>

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* test(deps): update dependency org.mockito:mockito-core to v4.7.0 (#1356)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
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---

### Release Notes

<details>
<summary>mockito/mockito</summary>

### [`v4.7.0`](https://togithub.com/mockito/mockito/releases/tag/v4.7.0)

[Compare Source](https://togithub.com/mockito/mockito/compare/v4.6.1...v4.7.0)

<sup><sup>*Changelog generated by [Shipkit Changelog Gradle Plugin](https://togithub.com/shipkit/shipkit-changelog)*</sup></sup>

##### 4.7.0

-   2022-08-13 - [33 commit(s)](https://togithub.com/mockito/mockito/compare/v4.6.1...v4.7.0) by [`1988123`](https://togithub.com/mockito/mockito/commit/198812345678), Andy Coates, Chen Ni, Marius Lichtblau, Nikita Koselev. Developer Advocate, Open Source Ally, Rafael Winterhalter, dependabot\[bot], dstango, fishautumn, heqiang
-   Bump com.diffplug.spotless from 6.9.0 to 6.9.1 [(#&#8203;2725)](https://togithub.com/mockito/mockito/pull/2725)
-   Bump versions.bytebuddy from 1.12.12 to 1.12.13 [(#&#8203;2719)](https://togithub.com/mockito/mockito/pull/2719)
-   Fix Javadoc for Mockito. [(#&#8203;2718)](https://togithub.com/mockito/mockito/pull/2718)
-   Bump com.diffplug.spotless from 6.8.0 to 6.9.0 [(#&#8203;2717)](https://togithub.com/mockito/mockito/pull/2717)
-   Fix a typo in comment of InternalRunner.java [(#&#8203;2715)](https://togithub.com/mockito/mockito/pull/2715)
-   Bump junit-platform-launcher from 1.8.2 to 1.9.0 [(#&#8203;2713)](https://togithub.com/mockito/mockito/pull/2713)
-   Bump versions.junitJupiter from 5.8.2 to 5.9.0 [(#&#8203;2712)](https://togithub.com/mockito/mockito/pull/2712)
-   Bump groovy from 3.0.11 to 3.0.12 [(#&#8203;2711)](https://togithub.com/mockito/mockito/pull/2711)
-   Bump shipkit-auto-version from 1.2.0 to 1.2.1 [(#&#8203;2709)](https://togithub.com/mockito/mockito/pull/2709)
-   Bump kotlinVersion from 1.7.0 to 1.7.10 [(#&#8203;2705)](https://togithub.com/mockito/mockito/pull/2705)
-   Bump com.diffplug.spotless from 6.7.2 to 6.8.0 [(#&#8203;2699)](https://togithub.com/mockito/mockito/pull/2699)
-   Bump versions.bytebuddy from 1.12.11 to 1.12.12 [(#&#8203;2695)](https://togithub.com/mockito/mockito/pull/2695)
-   Makes error message less misleading and points to github for help. Issue [#&#8203;2692](https://togithub.com/mockito/mockito/issues/2692) [(#&#8203;2693)](https://togithub.com/mockito/mockito/pull/2693)
-   Misleading error message when mocking and a class (of a parameter) is not found [(#&#8203;2692)](https://togithub.com/mockito/mockito/issues/2692)
-   Bump kotlinx-coroutines-core from 1.6.1-native-mt to 1.6.3-native-mt [(#&#8203;2691)](https://togithub.com/mockito/mockito/pull/2691)
-   Bump versions.bytebuddy from 1.12.10 to 1.12.11 [(#&#8203;2690)](https://togithub.com/mockito/mockito/pull/2690)
-   Fixes [#&#8203;2679](https://togithub.com/mockito/mockito/issues/2679) : Update Javadoc [(#&#8203;2689)](https://togithub.com/mockito/mockito/pull/2689)
-   Bump org.eclipse.osgi from 3.17.200 to 3.18.0 [(#&#8203;2688)](https://togithub.com/mockito/mockito/pull/2688)
-   RETURNS_SELF: Avoids returning mock when mock type is assignable to method return type, but method return type is Object. [(#&#8203;2687)](https://togithub.com/mockito/mockito/pull/2687)
-   RETURNS_SELF breaks methods with generic return type [(#&#8203;2686)](https://togithub.com/mockito/mockito/issues/2686)
-   Fix [#&#8203;2616](https://togithub.com/mockito/mockito/issues/2616) wrong stub for nested static [(#&#8203;2685)](https://togithub.com/mockito/mockito/pull/2685)
-   Bump com.diffplug.spotless from 6.7.0 to 6.7.2 [(#&#8203;2684)](https://togithub.com/mockito/mockito/pull/2684)
-   Avoids starting mocks "half-way" if a superclass constructor is mocked but an unmocked subclass is initiated. [(#&#8203;2682)](https://togithub.com/mockito/mockito/pull/2682)
-   Fix typo [(#&#8203;2681)](https://togithub.com/mockito/mockito/pull/2681)
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-   Bump com.diffplug.spotless from 6.6.1 to 6.7.0 [(#&#8203;2672)](https://togithub.com/mockito/mockito/pull/2672)
-   update CONTRIBUTING.md - stackoverflow [(#&#8203;2671)](https://togithub.com/mockito/mockito/pull/2671)
-   stackoverflow.com is a non-actionable text, to be replaced with a hyperlink [(#&#8203;2670)](https://togithub.com/mockito/mockito/issues/2670)
-   Fix typos [(#&#8203;2669)](https://togithub.com/mockito/mockito/pull/2669)
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-   Improve Varargs handling in AdditionalAnswers [(#&#8203;2664)](https://togithub.com/mockito/mockito/pull/2664)
-   Bump appcompat from 1.4.1 to 1.4.2 [(#&#8203;2663)](https://togithub.com/mockito/mockito/pull/2663)
-   Varargs methods cause `ClassCastException` in `AnswerFunctionalInterfaces` [(#&#8203;2644)](https://togithub.com/mockito/mockito/issues/2644)
-   Mock static class seems records wrong invocations if called nested method throws exception [(#&#8203;2616)](https://togithub.com/mockito/mockito/issues/2616)

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* chore(main): release 2.11.0 (#1350)

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## [2.11.0](https://github.com/googleapis/java-bigtable/compare/v2.10.3...v2.11.0) (2022-08-17)


### Features

* add stackdriver exporter ([#1247](https://github.com/googleapis/java-bigtable/issues/1247)) ([7ce915e](https://github.com/googleapis/java-bigtable/commit/7ce915e34c1ccce30bee78bda9e024a620cde737))


### Dependencies

* update dependency com.google.cloud:google-cloud-monitoring-bom to v3.4.1 ([#1352](https://github.com/googleapis/java-bigtable/issues/1352)) ([f8d97e5](https://github.com/googleapis/java-bigtable/commit/f8d97e557318eab214f3d916c029bfa153cf7455))

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* test: add integration test for builtin metrics (#1360)

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* fix: reset a measure map everytime the stats are recorded (#1364)

* chore(main): release 2.11.1 (#1365)

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---


## [2.11.1](https://github.com/googleapis/java-bigtable/compare/v2.11.0...v2.11.1) (2022-08-26)


### Bug Fixes

* reset a measure map everytime the stats are recorded ([#1364](https://github.com/googleapis/java-bigtable/issues/1364)) ([1683365](https://github.com/googleapis/java-bigtable/commit/1683365938178bb61b1e9c871f1971449ee942c2))

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---

### Release Notes

<details>
<summary>googleapis/java-monitoring</summary>

### [`v3.4.2`](https://togithub.com/googleapis/java-monitoring/blob/HEAD/CHANGELOG.md#&#8203;342-httpsgithubcomgoogleapisjava-monitoringcomparev341v342-2022-08-31)

[Compare Source](https://togithub.com/googleapis/java-monitoring/compare/v3.4.1...v3.4.2)

##### Dependencies

-   update dependency com.google.protobuf:protobuf-java-util to v3.21.5 ([#&#8203;910](https://togithub.com/googleapis/java-monitoring/issues/910)) ([c9f0f96](https://togithub.com/googleapis/java-monitoring/commit/c9f0f9602209c077d614245f87e06527b897d461))

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* test: fix metrics integration test, remove the server latency since this field… (#1377)

* fix: fix integration test, remove the server latency since this field may not exist

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---

### Release Notes

<details>
<summary>googleapis/java-monitoring</summary>

### [`v3.4.2`](https://togithub.com/googleapis/java-monitoring/blob/HEAD/CHANGELOG.md#&#8203;342-httpsgithubcomgoogleapisjava-monitoringcomparev341v342-2022-08-31)

[Compare Source](https://togithub.com/googleapis/java-monitoring/compare/v3.4.1...v3.4.2)

##### Dependencies

-   update dependency com.google.protobuf:protobuf-java-util to v3.21.5 ([#&#8203;910](https://togithub.com/googleapis/java-monitoring/issues/910)) ([c9f0f96](https://togithub.com/googleapis/java-monitoring/commit/c9f0f9602209c077d614245f87e06527b897d461))

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* chore(deps): update dependency com.google.cloud:google-cloud-bigtable to v2.11.2 (#1381)

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* fix: resolve merge conflict in samples/native-image-sample/pom.xml (#1553)

* feat: Cdc rebase (#1566)

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* build: enable longpaths support for windows test (#1485) (#1310)

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* build(deps): update dependency org.codehaus.mojo:extra-enforcer-rules to v1.6.0 (#1305)

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| [com.google.cloud:google-cloud-conformance-tests](https://togithub.com/googleapis/java-shared-config) | `0.3.0` -> `0.3.2` | [![age](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-conformance-tests/0.3.2/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-conformance-tests/0.3.2/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-conformance-tests/0.3.2/compatibility-slim/0.3.0)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-conformance-tests/0.3.2/confidence-slim/0.3.0)](https://docs.renovatebot.com/merge-confidence/) |

---

### Release Notes

<details>
<summary>googleapis/java-shared-config</summary>

### [`v0.3.1`](https://togithub.com/googleapis/java-shared-config/blob/HEAD/CHANGELOG.md#&#8203;031-httpswwwgithubcomgoogleapisjava-shared-configcomparev030v031-2020-01-03)

[Compare Source](https://togithub.com/googleapis/java-shared-config/compare/v0.3.0...v0.3.1)

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* fix: enable integration test for google-cloud-bigtable-stats (#1311)

* fix: enable integration test for graal

* update

* add more comments

* chore: mark native image checks as required (#1313)

* test(deps): update dependency com.google.cloud:google-cloud-conformance-tests to v0.3.3 (#1314)

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|---|---|---|---|---|---|
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* ci: update template so GAPIC_AUTO repos do not require special approvers for Java code (#1494) (#1315)

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* feat: use PingAndWarm request for channel priming (#1179)

Switching channel priming from sending fake ReadRowsRequest to PingAndWarm request, which on the server side will list all the tables for an instance. In the settings we won't need to specify the table Ids to prime.

* build(deps): update dependency org.apache.maven.plugins:maven-deploy-plugin to v3 (#1316)

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| Package | Change | Age | Adoption | Passing | Confidence |
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* feat: add storage utilization gib per node for autoscaling (#1317)

* feat: add storage utilization gib per node option for autoscaling

* add additional assertion

* add additional tests

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* fix: fix race condition in BuiltinMetricsTracer (#1320)

Thank you for opening a Pull Request! Before submitting your PR, there are a few things you can do to make sure it goes smoothly:
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* chore(main): release 2.10.0 (#1302)

:robot: I have created a release *beep* *boop*
---


## [2.10.0](https://github.com/googleapis/java-bigtable/compare/v2.9.0...v2.10.0) (2022-07-26)


### Features

* add response protos ([#1246](https://github.com/googleapis/java-bigtable/issues/1246)) ([52d59ce](https://github.com/googleapis/java-bigtable/commit/52d59ce18fb5536a17a5cb59da39e563e4afede4))
* add response_params proto to clients ([#1303](https://github.com/googleapis/java-bigtable/issues/1303)) ([93edfe1](https://github.com/googleapis/java-bigtable/commit/93edfe1e43dcfefda6bba3e9ee53ed80eaf2e5c2))
* add storage utilization gib per node for autoscaling ([#1317](https://github.com/googleapis/java-bigtable/issues/1317)) ([5282589](https://github.com/googleapis/java-bigtable/commit/52825891af0e4ec2dd76c0c6fa1379a98a77a08f))
* use PingAndWarm request for channel priming ([#1179](https://github.com/googleapis/java-bigtable/issues/1179)) ([6629821](https://github.com/googleapis/java-bigtable/commit/6629821ea3200d3a5b93c9d45aab6d57485fcebf))


### Bug Fixes

* enable integration test for google-cloud-bigtable-stats ([#1311](https://github.com/googleapis/java-bigtable/issues/1311)) ([7c77879](https://github.com/googleapis/java-bigtable/commit/7c7787998b164ceb55472c0d06c083a835e5d000))
* fix race condition in BuiltinMetricsTracer ([#1320](https://github.com/googleapis/java-bigtable/issues/1320)) ([644454a](https://github.com/googleapis/java-bigtable/commit/644454a9723da359677052b7a4b9201e91e9a78a))
* ignore repackaged files to fix clirr ([#1300](https://github.com/googleapis/java-bigtable/issues/1300)) ([99b67ba](https://github.com/googleapis/java-bigtable/commit/99b67ba5b1625686ac7802a6e40dafc2edceade0))


### Dependencies

* update dependency org.graalvm.buildtools:junit-platform-native to v0.9.13 ([#1306](https://github.com/googleapis/java-bigtable/issues/1306)) ([ddae354](https://github.com/googleapis/java-bigtable/commit/ddae3540fd68e8f79d94d49c96c5685e1bad2f66))
* update dependency org.graalvm.buildtools:native-maven-plugin to v0.9.13 ([#1307](https://github.com/googleapis/java-bigtable/issues/1307)) ([c0740fe](https://github.com/googleapis/java-bigtable/commit/c0740fe30c5cd2bdf6dedf901e2fdb9a84ce64a1))

---
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* deps: update dependency org.junit.vintage:junit-vintage-engine to v5.9.0 (#1323)

* deps: update dependency org.junit.vintage:junit-vintage-engine to v5.9.0

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* chore(main): release 2.10.1-SNAPSHOT (#1321)

Co-authored-by: release-please[bot] <55107282+release-please[bot]@users.noreply.github.com>

* fix: retry rst stream in mutations (#1327)

Thank you for opening a Pull Request! Before submitting your PR, there are a few things you can do to make sure it goes smoothly:
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* chore(deps): update dependency com.google.cloud:google-cloud-bigtable to v2.10.0 (#1330)

* chore(deps): update dependency com.google.cloud:google-cloud-bigtable to v2.10.0

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* chore(main): release 2.10.1 (#1325)

:robot: I have created a release *beep* *boop*
---


## [2.10.1](https://github.com/googleapis/java-bigtable/compare/v2.10.0...v2.10.1) (2022-08-01)


### Bug Fixes

* retry rst stream in mutations ([#1327](https://github.com/googleapis/java-bigtable/issues/1327)) ([1a5b3a2](https://github.com/googleapis/java-bigtable/commit/1a5b3a215b5388678241cadec26a962a512157ac))


### Dependencies

* update dependency org.junit.vintage:junit-vintage-engine to v5.9.0 ([#1323](https://github.com/googleapis/java-bigtable/issues/1323)) ([7655747](https://github.com/googleapis/java-bigtable/commit/76557476744a6404b9df30c97c59f0a7e38a1ed8))

---
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* build(deps): update dependency org.codehaus.mojo:extra-enforcer-rules to v1.6.1 (#1329)

* chore(main): release 2.10.2-SNAPSHOT (#1331)

Co-authored-by: release-please[bot] <55107282+release-please[bot]@users.noreply.github.com>

* chore(deps): update dependency com.google.cloud:google-cloud-bigtable to v2.10.1 (#1332)

* chore(deps): update dependency com.google.cloud:google-cloud-bigtable to v2.10.1

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* fix: add a ReadFirstRow callable to set future in onComplete (#1326)

* fix: add a ReadFirstRow callable to set future in onComplete

* use ReadRowsFirst callable instead

* don't use atomic

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* deps: upgrade shared config to 1.5.3, exclude google-http-client and google-http-client-gson from gax in google-cloud-bigtable-stats (#1336)

* deps: upgrade shared config to 1.5.3, remove google-http-client and google-http-client-gson.

* exclude google-http-client and google-http-client-gson from google-cloud-bigtable-stats.

* exclude google-http-client and google-http-client-gson from google-cloud-bigtable-stats.

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* fix: The metadata could be returned in trailer or header depends on i… (#1337)

* fix: The metadata could be returned in trailer or header depends on if sidecar is enabled. Check both for now.

* fix

* fix npe

* fix NPE when metadata is null

* deps: update dependency com.google.cloud:google-cloud-shared-dependencies to v3 (#1328)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [com.google.cloud:google-cloud-shared-dependencies](https://togithub.com/googleapis/java-shared-dependencies) | `2.13.0` -> `3.0.1` | [![age](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-shared-dependencies/3.0.1/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-shared-dependencies/3.0.1/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-shared-dependencies/3.0.1/compatibility-slim/2.13.0)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-shared-dependencies/3.0.1/confidence-slim/2.13.0)](https://docs.renovatebot.com/merge-confidence/) |

---

### Release Notes

<details>
<summary>googleapis/java-shared-dependencies</summary>

### [`v3.0.1`](https://togithub.com/googleapis/java-shared-dependencies/blob/HEAD/CHANGELOG.md#&#8203;301-httpsgithubcomgoogleapisjava-shared-dependenciescomparev300v301-2022-08-02)

[Compare Source](https://togithub.com/googleapis/java-shared-dependencies/compare/v3.0.0...v3.0.1)

##### Dependencies

-   update dependency com.google.code.gson:gson to v2.9.1 ([#&#8203;766](https://togithub.com/googleapis/java-shared-dependencies/issues/766)) ([f7b2b06](https://togithub.com/googleapis/java-shared-dependencies/commit/f7b2b06b80e3e95ff8ab9b1d6a2638ef3069298a))
-   update gax.version to v2.18.7 ([#&#8203;767](https://togithub.com/googleapis/java-shared-dependencies/issues/767)) ([9650368](https://togithub.com/googleapis/java-shared-dependencies/commit/96503682e98cdf348ea2c1365a03a60f4322c712))
-   update google.core.version to v2.8.6 ([#&#8203;770](https://togithub.com/googleapis/java-shared-dependencies/issues/770)) ([cfd4377](https://togithub.com/googleapis/java-shared-dependencies/commit/cfd4377dc178cebb4724065d55d185ce03988d55))

### [`v3.0.0`](https://togithub.com/googleapis/java-shared-dependencies/blob/HEAD/CHANGELOG.md#&#8203;300-httpsgithubcomgoogleapisjava-shared-dependenciescomparev2130v300-2022-07-29)

[Compare Source](https://togithub.com/googleapis/java-shared-dependencies/compare/v2.13.0...v3.0.0)

##### Bug Fixes

-   enable longpaths support for windows test ([#&#8203;1485](https://togithub.com/googleapis/java-shared-dependencies/issues/1485)) ([#&#8203;738](https://togithub.com/googleapis/java-shared-dependencies/issues/738)) ([11bc8f8](https://togithub.com/googleapis/java-shared-dependencies/commit/11bc8f81f28be88a97fdeafca21724e33638770c))

##### Dependencies

-   update dependency com.google.api-client:google-api-client-bom to v1.35.2 ([#&#8203;729](https://togithub.com/googleapis/java-shared-dependencies/issues/729)) ([1fa59af](https://togithub.com/googleapis/java-shared-dependencies/commit/1fa59af80abb9f278f57658c10158567e825fec6))
-   update dependency com.google.api-client:google-api-client-bom to v2 ([#&#8203;746](https://togithub.com/googleapis/java-shared-dependencies/issues/746)) ([2dcb2e0](https://togithub.com/googleapis/java-shared-dependencies/commit/2dcb2e071e0ba0eea21bb575bd13cd559d4a1ca6))
-   update dependency com.google.api.grpc:grpc-google-common-protos to v2.9.2 ([#&#8203;741](https://togithub.com/googleapis/java-shared-dependencies/issues/741)) ([3352d6c](https://togithub.com/googleapis/java-shared-dependencies/commit/3352d6c36111c04e3f6f3e6360470fa3efb10d8f))
-   update dependency com.google.auth:google-auth-library-bom to v1.8.0 ([#&#8203;726](https://togithub.com/googleapis/java-shared-dependencies/issues/726)) ([2c5d64c](https://togithub.com/googleapis/java-shared-dependencies/commit/2c5d64c127db8384e49113acfeac6928716a2d7f))
-   update dependency com.google.auth:google-auth-library-bom to v1.8.1 ([#&#8203;742](https://togithub.com/googleapis/java-shared-dependencies/issues/742)) ([4f53527](https://togithub.com/googleapis/java-shared-dependencies/commit/4f53527bda7f40896711b7c1d1c02453321ffbc8))
-   update dependency com.google.cloud:first-party-dependencies to v2 ([#&#8203;747](https://togithub.com/googleapis/java-shared-dependencies/issues/747)) ([e970ac0](https://togithub.com/googleapis/java-shared-dependencies/commit/e970ac0599941c825dc2516146a7c6673e68a9b9))
-   update dependency com.google.cloud:grpc-gcp to v1.2.1 ([#&#8203;751](https://togithub.com/googleapis/java-shared-dependencies/issues/751)) ([b3284b6](https://togithub.com/googleapis/java-shared-dependencies/commit/b3284b6ee52a96a6ea8696a05a94443df9ee5b9f))
-   update dependency com.google.cloud:third-party-dependencies to v2 ([#&#8203;748](https://togithub.com/googleapis/java-shared-dependencies/issues/748)) ([573b41a](https://togithub.com/googleapis/java-shared-dependencies/commit/573b41a69504372741cbeb01dd200e7c71967186))
-   update dependency com.google.http-client:google-http-client-bom to v1.42.1 ([#&#8203;730](https://togithub.com/googleapis/java-shared-dependencies/issues/730)) ([6b47126](https://togithub.com/googleapis/java-shared-dependencies/commit/6b47126686b603a5d112e097ce6aa3a1880daf6f))
-   update dependency com.google.http-client:google-http-client-bom to v1.42.2 ([#&#8203;749](https://togithub.com/googleapis/java-shared-dependencies/issues/749)) ([299d7b0](https://togithub.com/googleapis/java-shared-dependencies/commit/299d7b0d4920644e2c3070d12dd1d97da17a5e88))
-   update dependency com.google.protobuf:protobuf-bom to v3.21.2 ([#&#8203;722](https://togithub.com/googleapis/java-shared-dependencies/issues/722)) ([7a96b12](https://togithub.com/googleapis/java-shared-dependencies/commit/7a96b1259a526b63e9376fd6cc18b27cddeb5f0f))
-   update dependency com.google.protobuf:protobuf-bom to v3.21.3 ([#&#8203;756](https://togithub.com/googleapis/java-shared-dependencies/issues/756)) ([3d0bac2](https://togithub.com/googleapis/java-shared-dependencies/commit/3d0bac23487aebb94267c0708f41ff6c02a028a4))
-   update dependency com.google.protobuf:protobuf-bom to v3.21.4 ([#&#8203;759](https://togithub.com/googleapis/java-shared-dependencies/issues/759)) ([5a54ef1](https://togithub.com/googleapis/java-shared-dependencies/commit/5a54ef1a2d56244166d4fcc46041d62c0dc4b411))
-   update dependency io.grpc:grpc-bom to v1.48.0 ([#&#8203;752](https://togithub.com/googleapis/java-shared-dependencies/issues/752)) ([20ac908](https://togithub.com/googleapis/java-shared-dependencies/commit/20ac908932a5e7c8e581bdfcd68579d7e1cedd5f))
-   update dependency org.checkerframework:checker-qual to v3.23.0 ([#&#8203;736](https://togithub.com/googleapis/java-shared-dependencies/issues/736)) ([fc01d8f](https://togithub.com/googleapis/java-shared-dependencies/commit/fc01d8f93f391f12fdb800d5006f0b4505832eeb))
-   update gax.version to v2.18.3 ([#&#8203;731](https://togithub.com/googleapis/java-shared-dependencies/issues/731)) ([e8ee554](https://togithub.com/googleapis/java-shared-dependencies/commit/e8ee554707acb2f71c739d08e2ff02fbe43ffa52))
-   update gax.version to v2.18.4 ([#&#8203;735](https://togithub.com/googleapis/java-shared-dependencies/issues/735)) ([11c7415](https://togithub.com/googleapis/java-shared-dependencies/commit/11c74152a84697924de3a0e838b05f606c3098f7))
-   update gax.version to v2.18.5 ([#&#8203;758](https://togithub.com/googleapis/java-shared-dependencies/issues/758)) ([7469fc1](https://togithub.com/googleapis/java-shared-dependencies/commit/7469fc1cc5095b39a5738e60156711a268f6e052))
-   update gax.version to v2.18.6 ([#&#8203;763](https://togithub.com/googleapis/java-shared-dependencies/issues/763)) ([b5ca2f7](https://togithub.com/googleapis/java-shared-dependencies/commit/b5ca2f7b4d81c705823253f4f03363a32d2be48b))
-   update google.common-protos.version to v2.9.1 ([#&#8203;724](https://togithub.com/googleapis/java-shared-dependencies/issues/724)) ([5213dbb](https://togithub.com/googleapis/java-shared-dependencies/commit/5213dbbfa9c9b73d2420ec2be7782f16c9c4955f))
-   update google.core.version to v2.8.1 ([#&#8203;725](https://togithub.com/googleapis/java-shared-dependencies/issues/725)) ([575858a](https://togithub.com/googleapis/java-shared-dependencies/commit/575858a60f76e46bbc2a2435c2b6c01c8f4ab681))
-   update google.core.version to v2.8.3 ([#&#8203;760](https://togithub.com/googleapis/java-shared-dependencies/issues/760)) ([cb10ae4](https://togithub.com/googleapis/java-shared-dependencies/commit/cb10ae4b76939215ea465af74163b3d4ad65a548))
-   update google.core.version to v2.8.4 ([#&#8203;762](https://togithub.com/googleapis/java-shared-dependencies/issues/762)) ([821daaf](https://togithub.com/googleapis/java-shared-dependencies/commit/821daafefdbcfdfe6e363e580747538096a562ef))
-   update google.core.version to v2.8.5 ([#&#8203;764](https://togithub.com/googleapis/java-shared-dependencies/issues/764)) ([a1f8f50](https://togithub.com/googleapis/java-shared-dependencies/commit/a1f8f501b54143a2cec8e72efd4ceb3ce47f13ae))
-   update iam.version to v1.5.0 ([#&#8203;732](https://togithub.com/googleapis/java-shared-dependencies/issues/732)) ([9dce0e5](https://togithub.com/googleapis/java-shared-dependencies/commit/9dce0e5199c1e425119adc804304958f58003a27))
-   update iam.version to v1.5.1 ([#&#8203;737](https://togithub.com/googleapis/java-shared-dependencies/issues/737)) ([df39168](https://togithub.com/googleapis/java-shared-dependencies/commit/df391685d42fcb1b04f03ab1380a594893bdce37))
-   update iam.version to v1.5.2 ([#&#8203;743](https://togithub.com/googleapis/java-shared-dependencies/issues/743)) ([cdde697](https://togithub.com/googleapis/java-shared-dependencies/commit/cdde697f25a89fc8c2ec7eae6b7c54f69977bb1c))

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* chore(main): release 2.10.2 (#1335)

:robot: I have created a release *beep* *boop*
---


## [2.10.2](https://github.com/googleapis/java-bigtable/compare/v2.10.1...v2.10.2) (2022-08-03)


### Bug Fixes

* add a ReadFirstRow callable to set future in onComplete ([#1326](https://github.com/googleapis/java-bigtable/issues/1326)) ([cb539b5](https://github.com/googleapis/java-bigtable/commit/cb539b50d98ec2a8538ce4691b2639426ca95464))
* The metadata could be returned in trailer or header depends on i… ([#1337](https://github.com/googleapis/java-bigtable/issues/1337)) ([c4b8c03](https://github.com/googleapis/java-bigtable/commit/c4b8c03ece7b3f6ec2cea42ff0ca5ac617528060))


### Dependencies

* update dependency com.google.cloud:google-cloud-shared-dependencies to v3 ([#1328](https://github.com/googleapis/java-bigtable/issues/1328)) ([bee0ca0](https://github.com/googleapis/java-bigtable/commit/bee0ca036ab6e711f6069159364f6d3b691e6bfd))
* upgrade shared config to 1.5.3, exclude google-http-client and google-http-client-gson from gax in google-cloud-bigtable-stats ([#1336](https://github.com/googleapis/java-bigtable/issues/1336)) ([98b3349](https://github.com/googleapis/java-bigtable/commit/98b33498d85325d22737fb4bd66826519e96755a))

---
This PR was generated with [Release Please](https://github.com/googleapis/release-please). See [documentation](https://github.com/googleapis/release-please#release-please).

* chore(main): release 2.10.3-SNAPSHOT (#1340)

:robot: I have created a release *beep* *boop*
---


### Updating meta-information for bleeding-edge SNAPSHOT release.

---
This PR was generated with [Release Please](https://github.com/googleapis/release-please). See [documentation](https://github.com/googleapis/release-please#release-please).

* fix: declaring 2 http libraries as runtime (#1341)

* fix: declaring 2 http libraries as runtime

Fixing similar issues as googleapis/java-pubsub#1239

* 🦉 Updates from OwlBot post-processor

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* chore(deps): update dependency com.google.cloud:google-cloud-bigtable to v2.10.2 (#1342)

* chore(deps): update dependency com.google.cloud:google-cloud-bigtable to v2.10.2

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* chore(main): release 2.10.3 (#1343)

Co-authored-by: release-please[bot] <55107282+release-please[bot]@users.noreply.github.com>

* chore(main): release 2.10.4-SNAPSHOT (#1348)

Co-authored-by: release-please[bot] <55107282+release-please[bot]@users.noreply.github.com>

* chore(deps): update dependency com.google.cloud:google-cloud-bigtable to v2.10.3 (#1349)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [com.google.cloud:google-cloud-bigtable](https://togithub.com/googleapis/java-bigtable) | `2.10.2` -> `2.10.3` | [![age](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-bigtable/2.10.3/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-bigtable/2.10.3/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-bigtable/2.10.3/compatibility-slim/2.10.2)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-bigtable/2.10.3/confidence-slim/2.10.2)](https://docs.renovatebot.com/merge-confidence/) |

---

### Release Notes

<details>
<summary>googleapis/java-bigtable</summary>

### [`v2.10.3`](https://togithub.com/googleapis/java-bigtable/blob/HEAD/CHANGELOG.md#&#8203;2103-httpsgithubcomgoogleapisjava-bigtablecomparev2102v2103-2022-08-08)

[Compare Source](https://togithub.com/googleapis/java-bigtable/compare/v2.10.2...v2.10.3)

##### Bug Fixes

-   declaring 2 http libraries as runtime ([#&#8203;1341](https://togithub.com/googleapis/java-bigtable/issues/1341)) ([8071de6](https://togithub.com/googleapis/java-bigtable/commit/8071de6235a6c1aa5873902ca55beaa2a8d64276))

</details>

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* feat: add stackdriver exporter (#1247)

* remove status from application latency

* feat: update tracers to use built in metrics

* feat: add response protos

* feat: add response protos

* feat: add stackdriver exporter

* fix tests

* fix dependency

* remove unused dependency

* clean up code

* udpates on comments

* remove unused setting

* make metrics consistent with cloud monitoring

* convert undefined to global

* update

* add bigtable tracer back in the base callable

* fix format

* fix the tag name

* add the link to the form

* fix format

* fix dependency conflicts

* fix image tests

* update undefined cluster to global

* address comments

* tweak export interval

* remove unused metric kind

* get project id from the metrics

* clean up imports

* remove unused method and rewrite create timeseries exporter

* fix integration test

* 🦉 Updates from OwlBot post-processor

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* chore(deps): update dependency com.google.cloud:libraries-bom to v26.1.0 (#1354)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [com.google.cloud:libraries-bom](https://cloud.google.com/java/docs/bom) ([source](https://togithub.com/googleapis/java-cloud-bom)) | `26.0.0` -> `26.1.0` | [![age](https://badges.renovateapi.com/packages/maven/com.google.cloud:libraries-bom/26.1.0/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/maven/com.google.cloud:libraries-bom/26.1.0/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/maven/com.google.cloud:libraries-bom/26.1.0/compatibility-slim/26.0.0)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/maven/com.google.cloud:libraries-bom/26.1.0/confidence-slim/26.0.0)](https://docs.renovatebot.com/merge-confidence/) |

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* chore: add opencensus lincese and update readme (#1353)

* chore: add opencensus lincese and update readme

* remove unused implementation

* rename method

* add back transformer

* 🦉 Updates from OwlBot post-processor

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* chore: add instructions to enable builtin metrics (#1358)

* chore: add instructions to enable builtin metrics

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* deps: update dependency com.google.cloud:google-cloud-monitoring-bom to v3.4.1 (#1352)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [com.google.cloud:google-cloud-monitoring-bom](https://togithub.com/googleapis/java-monitoring) | `3.3.6` -> `3.4.1` | [![age](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-monitoring-bom/3.4.1/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-monitoring-bom/3.4.1/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-monitoring-bom/3.4.1/compatibility-slim/3.3.6)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-monitoring-bom/3.4.1/confidence-slim/3.3.6)](https://docs.renovatebot.com/merge-confidence/) |

---

### Release Notes

<details>
<summary>googleapis/java-monitoring</summary>

### [`v3.4.1`](https://togithub.com/googleapis/java-monitoring/blob/HEAD/CHANGELOG.md#&#8203;341-httpsgithubcomgoogleapisjava-monitoringcomparev340v341-2022-08-11)

[Compare Source](https://togithub.com/googleapis/java-monitoring/compare/v3.4.0...v3.4.1)

##### Bug Fixes

-   fix samples and samples tests for UptimeCheck. ([#&#8203;909](https://togithub.com/googleapis/java-monitoring/issues/909)) ([7143f96](https://togithub.com/googleapis/java-monitoring/commit/7143f96d3e5b4f7f96f184b6367c45980dbb4140))
-   google-auth-library-oauth2-http is runtime scope ([#&#8203;911](https://togithub.com/googleapis/java-monitoring/issues/911)) ([fb080db](https://togithub.com/googleapis/java-monitoring/commit/fb080dbac9a11563d3b21b1defe34720bbcd2f91))

### [`v3.4.0`](https://togithub.com/googleapis/java-monitoring/blob/HEAD/CHANGELOG.md#&#8203;340-httpsgithubcomgoogleapisjava-monitoringcomparev336v340-2022-08-06)

[Compare Source](https://togithub.com/googleapis/java-monitoring/compare/v3.3.6...v3.4.0)

##### Features

-   Added support for evaluating missing data in AlertPolicy ([#&#8203;906](https://togithub.com/googleapis/java-monitoring/issues/906)) ([e9effc8](https://togithub.com/googleapis/java-monitoring/commit/e9effc85f48d7f64ae5b297bace67e7cbafd27b1))

##### Documentation

-   **owlbot-java:** explaining why not using formatter in pom.xml ([#&#8203;1511](https://togithub.com/googleapis/java-monitoring/issues/1511)) ([#&#8203;901](https://togithub.com/googleapis/java-monitoring/issues/901)) ([02e3f6b](https://togithub.com/googleapis/java-monitoring/commit/02e3f6b8af04ad995a488da9794bf391b4c602e5)), closes [#&#8203;1502](https://togithub.com/googleapis/java-monitoring/issues/1502)

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* test(deps): update dependency org.mockito:mockito-core to v4.7.0 (#1356)

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|---|---|---|---|---|---|
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---

### Release Notes

<details>
<summary>mockito/mockito</summary>

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[Compare Source](https://togithub.com/mockito/mockito/compare/v4.6.1...v4.7.0)

<sup><sup>*Changelog generated by [Shipkit Changelog Gradle Plugin](https://togithub.com/shipkit/shipkit-changelog)*</sup></sup>

##### 4.7.0

-   2022-08-13 - [33 commit(s)](https://togithub.com/mockito/mockito/compare/v4.6.1...v4.7.0) by [`1988123`](https://togithub.com/mockito/mockito/commit/198812345678), Andy Coates, Chen Ni, Marius Lichtblau, Nikita Koselev. Developer Advocate, Open Source Ally, Rafael Winterhalter, dependabot\[bot], dstango, fishautumn, heqiang
-   Bump com.diffplug.spotless from 6.9.0 to 6.9.1 [(#&#8203;2725)](https://togithub.com/mockito/mockito/pull/2725)
-   Bump versions.bytebuddy from 1.12.12 to 1.12.13 [(#&#8203;2719)](https://togithub.com/mockito/mockito/pull/2719)
-   Fix Javadoc for Mockito. [(#&#8203;2718)](https://togithub.com/mockito/mockito/pull/2718)
-   Bump com.diffplug.spotless from 6.8.0 to 6.9.0 [(#&#8203;2717)](https://togithub.com/mockito/mockito/pull/2717)
-   Fix a typo in comment of InternalRunner.java [(#&#8203;2715)](https://togithub.com/mockito/mockito/pull/2715)
-   Bump junit-platform-launcher from 1.8.2 to 1.9.0 [(#&#8203;2713)](https://togithub.com/mockito/mockito/pull/2713)
-   Bump versions.junitJupiter from 5.8.2 to 5.9.0 [(#&#8203;2712)](https://togithub.com/mockito/mockito/pull/2712)
-   Bump groovy from 3.0.11 to 3.0.12 [(#&#8203;2711)](https://togithub.com/mockito/mockito/pull/2711)
-   Bump shipkit-auto-version from 1.2.0 to 1.2.1 [(#&#8203;2709)](https://togithub.com/mockito/mockito/pull/2709)
-   Bump kotlinVersion from 1.7.0 to 1.7.10 [(#&#8203;2705)](https://togithub.com/mockito/mockito/pull/2705)
-   Bump com.diffplug.spotless from 6.7.2 to 6.8.0 [(#&#8203;2699)](https://togithub.com/mockito/mockito/pull/2699)
-   Bump versions.bytebuddy from 1.12.11 to 1.12.12 [(#&#8203;2695)](https://togithub.com/mockito/mockito/pull/2695)
-   Makes error message less misleading and points to github for help. Issue [#&#8203;2692](https://togithub.com/mockito/mockito/issues/2692) [(#&#8203;2693)](https://togithub.com/mockito/mockito/pull/2693)
-   Misleading error message when mocking and a class (of a parameter) is not found [(#&#8203;2692)](https://togithub.com/mockito/mockito/issues/2692)
-   Bump kotlinx-coroutines-core from 1.6.1-native-mt to 1.6.3-native-mt [(#&#8203;2691)](https://togithub.com/mockito/mockito/pull/2691)
-   Bump versions.bytebuddy from 1.12.10 to 1.12.11 [(#&#8203;2690)](https://togithub.com/mockito/mockito/pull/2690)
-   Fixes [#&#8203;2679](https://togithub.com/mockito/mockito/issues/2679) : Update Javadoc [(#&#8203;2689)](https://togithub.com/mockito/mockito/pull/2689)
-   Bump org.eclipse.osgi from 3.17.200 to 3.18.0 [(#&#8203;2688)](https://togithub.com/mockito/mockito/pull/2688)
-   RETURNS_SELF: Avoids returning mock when mock type is assignable to method return type, but method return type is Object. [(#&#8203;2687)](https://togithub.com/mockito/mockito/pull/2687)
-   RETURNS_SELF breaks methods with generic return type [(#&#8203;2686)](https://togithub.com/mockito/mockito/issues/2686)
-   Fix [#&#8203;2616](https://togithub.com/mockito/mockito/issues/2616) wrong stub for nested static [(#&#8203;2685)](https://togithub.com/mockito/mockito/pull/2685)
-   Bump com.diffplug.spotless from 6.7.0 to 6.7.2 [(#&#8203;2684)](https://togithub.com/mockito/mockito/pull/2684)
-   Avoids starting mocks "half-way" if a superclass constructor is mocked but an unmocked subclass is initiated. [(#&#8203;2682)](https://togithub.com/mockito/mockito/pull/2682)
-   Fix typo [(#&#8203;2681)](https://togithub.com/mockito/mockito/pull/2681)
-   Update javadoc of `Strictness.STRICT_STUBS` [(#&#8203;2679)](https://togithub.com/mockito/mockito/issues/2679)
-   Bump kotlinVersion from 1.6.21 to 1.7.0 [(#&#8203;2677)](https://togithub.com/mockito/mockito/pull/2677)
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## [2.11.0](https://github.com/googleapis/java-bigtable/compare/v2.10.3...v2.11.0) (2022-08-17)


### Features

* add stackdriver exporter ([#1247](https://github.com/googleapis/java-bigtable/issues/1247)) ([7ce915e](https://github.com/googleapis/java-bigtable/commit/7ce915e34c1ccce30bee78bda9e024a620cde737))


### Dependencies

* update dependency com.google.cloud:google-cloud-monitoring-bom to v3.4.1 ([#1352](https://github.com/googleapis/java-bigtable/issues/1352)) ([f8d97e5](https://github.com/googleapis/java-bigtable/commit/f8d97e557318eab214f3d916c029bfa153cf7455))

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* fix: reset a measure map everytime the stats are recorded (#1364)

* chore(main): release 2.11.1 (#1365)

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## [2.11.1](https://github.com/googleapis/java-bigtable/compare/v2.11.0...v2.11.1) (2022-08-26)


### Bug Fixes

* reset a measure map everytime the stats are recorded ([#1364](https://github.com/googleapis/java-bigtable/issues/1364)) ([1683365](https://github.com/googleapis/java-bigtable/commit/1683365938178bb61b1e9c871f1971449ee942c2))

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### Release Notes

<details>
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### [`v3.4.2`](https://togithub.com/googleapis/java-monitoring/blob/HEAD/CHANGELOG.md#&#8203;342-httpsgithubcomgoogleapisjava-monitoringcomparev341v342-2022-08-31)

[Compare Source](https://togithub.com/googleapis/java-monitoring/compare/v3.4.1...v3.4.2)

##### Dependencies

-   update dependency com.google.protobuf:protobuf-java-util to v3.21.5 ([#&#8203;910](https://togithub.com/googleapis/java-monitoring/issues/910)) ([c9f0f96](https://togithub.com/googleapis/java-monitoring/commit/c9f0f9602209c077d614245f87e06527b897d461))

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* test: fix metrics integration test, remove the server latency since this field… (#1377)

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---

### Release Notes

<details>
<summary>googleapis/java-monitoring</summary>

### [`v3.4.2`](https://togithub.com/googleapis/java-monitoring/blob/HEAD/CHANGELOG.md#&#8203;342-httpsgithubcomgoogleapisjava-monitoringcomparev341v342-2022-08-31)

[Compare Source](https://togithub.com/googleapis/java-monitoring/compare/v3.4.1...v3.4.2)

##### Dependencies

-   update dependency com.google.protobuf:protobuf-java-util to v3.21.5 ([#&#8203;910](https://togithub.com/googleapis/java-monitoring/issues/910)) ([c9f0f96](https://togithub.com/googleapis/java-monitoring/commit/c9f0f9602209c077d614245f87e06527b897d461))

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---
 .../clirr-ignored-differences.xml             |    5 +
 google-cloud-bigtable/pom.xml                 |   62 +
 .../bigtable/data/v2/BigtableDataClient.java  |  295 ++++
 .../models/ChangeStreamContinuationToken.java |   88 ++
 .../data/v2/models/ChangeStreamMutation.java  |  231 +++
 .../data/v2/models/ChangeStreamRecord.java    |   25 +
 .../v2/models/ChangeStreamRecordAdapter.java  |  172 ++
 .../bigtable/data/v2/models/CloseStream.java  |   58 +
 .../DefaultChangeStreamRecordAdapter.java     |  176 +++
 .../bigtable/data/v2/models/DeleteCells.java  |   49 +
 .../bigtable/data/v2/models/DeleteFamily.java |   36 +
 .../cloud/bigtable/data/v2/models/Entry.java  |   26 +
 .../bigtable/data/v2/models/Heartbeat.java    |   49 +
 .../cloud/bigtable/data/v2/models/Range.java  |   19 +
 .../data/v2/models/ReadChangeStreamQuery.java |  271 ++++
 .../bigtable/data/v2/models/SetCell.java      |   56 +
 .../v2/stub/ConvertExceptionCallable.java     |   23 +-
 .../data/v2/stub/EnhancedBigtableStub.java    |  197 +++
 .../v2/stub/EnhancedBigtableStubSettings.java |   93 ++
 .../ChangeStreamRecordMerger.java             |  118 ++
 .../ChangeStreamRecordMergingCallable.java    |   63 +
 .../ChangeStreamStateMachine.java             |  629 ++++++++
 ...ialChangeStreamPartitionsUserCallable.java |   98 ++
 .../ReadChangeStreamResumptionStrategy.java   |  100 ++
 .../ReadChangeStreamUserCallable.java         |   51 +
 .../data/v2/BigtableDataClientTests.java      |   71 +
 .../ChangeStreamContinuationTokenTest.java    |   97 ++
 .../v2/models/ChangeStreamMutationTest.java   |  261 ++++
 .../v2/models/ChangeStreamRecordTest.java     |  171 ++
 .../DefaultChangeStreamRecordAdapterTest.java |  449 ++++++
 .../bigtable/data/v2/models/EntryTest.java    |  101 ++
 .../bigtable/data/v2/models/RangeTest.java    |   11 +
 .../v2/models/ReadChangeStreamQueryTest.java  |  360 +++++
 .../v2/stub/ConvertExceptionCallableTest.java |   76 +
 .../EnhancedBigtableStubSettingsTest.java     |   79 +
 ...ChangeStreamRecordMergingCallableTest.java |  127 ++
 .../ChangeStreamStateMachineTest.java         |   61 +
 ...hangeStreamPartitionsUserCallableTest.java |   83 +
 ...ReadChangeStreamMergingAcceptanceTest.java |  284 ++++
 .../ReadChangeStreamRetryTest.java            |  478 ++++++
 .../ReadChangeStreamUserCallableTest.java     |   49 +
 .../src/test/proto/changestream_tests.proto   |   63 +
 .../src/test/resources/changestream.json      | 1379 +++++++++++++++++
 43 files changed, 7179 insertions(+), 11 deletions(-)
 create mode 100644 google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/data/v2/models/ChangeStreamContinuationToken.java
 create mode 100644 google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/data/v2/models/ChangeStreamMutation.java
 create mode 100644 google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/data/v2/models/ChangeStreamRecord.java
 create mode 100644 google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/data/v2/models/ChangeStreamRecordAdapter.java
 create mode 100644 google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/data/v2/models/CloseStream.java
 create mode 100644 google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/data/v2/models/DefaultChangeStreamRecordAdapter.java
 create mode 100644 google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/data/v2/models/DeleteCells.java
 create mode 100644 google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/data/v2/models/DeleteFamily.java
 create mode 100644 google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/data/v2/models/Entry.java
 create mode 100644 google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/data/v2/models/Heartbeat.java
 create mode 100644 google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/data/v2/models/ReadChangeStreamQuery.java
 create mode 100644 google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/data/v2/models/SetCell.java
 create mode 100644 google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/data/v2/stub/changestream/ChangeStreamRecordMerger.java
 create mode 100644 google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/data/v2/stub/changestream/ChangeStreamRecordMergingCallable.java
 create mode 100644 google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/data/v2/stub/changestream/ChangeStreamStateMachine.java
 create mode 100644 google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/data/v2/stub/changestream/GenerateInitialChangeStreamPartitionsUserCallable.java
 create mode 100644 google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/data/v2/stub/changestream/ReadChangeStreamResumptionStrategy.java
 create mode 100644 google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/data/v2/stub/changestream/ReadChangeStreamUserCallable.java
 create mode 100644 google-cloud-bigtable/src/test/java/com/google/cloud/bigtable/data/v2/models/ChangeStreamContinuationTokenTest.java
 create mode 100644 google-cloud-bigtable/src/test/java/com/google/cloud/bigtable/data/v2/models/ChangeStreamMutationTest.java
 create mode 100644 google-cloud-bigtable/src/test/java/com/google/cloud/bigtable/data/v2/models/ChangeStreamRecordTest.java
 create mode 100644 google-cloud-bigtable/src/test/java/com/google/cloud/bigtable/data/v2/models/DefaultChangeStreamRecordAdapterTest.java
 create mode 100644 google-cloud-bigtable/src/test/java/com/google/cloud/bigtable/data/v2/models/EntryTest.java
 create mode 100644 google-cloud-bigtable/src/test/java/com/google/cloud/bigtable/data/v2/models/ReadChangeStreamQueryTest.java
 create mode 100644 google-cloud-bigtable/src/test/java/com/google/cloud/bigtable/data/v2/stub/ConvertExceptionCallableTest.java
 create mode 100644 google-cloud-bigtable/src/test/java/com/google/cloud/bigtable/data/v2/stub/changestream/ChangeStreamRecordMergingCallableTest.java
 create mode 100644 google-cloud-bigtable/src/test/java/com/google/cloud/bigtable/data/v2/stub/changestream/ChangeStreamStateMachineTest.java
 create mode 100644 google-cloud-bigtable/src/test/java/com/google/cloud/bigtable/data/v2/stub/changestream/GenerateInitialChangeStreamPartitionsUserCallableTest.java
 create mode 100644 google-cloud-bigtable/src/test/java/com/google/cloud/bigtable/data/v2/stub/changestream/ReadChangeStreamMergingAcceptanceTest.java
 create mode 100644 google-cloud-bigtable/src/test/java/com/google/cloud/bigtable/data/v2/stub/changestream/ReadChangeStreamRetryTest.java
 create mode 100644 google-cloud-bigtable/src/test/java/com/google/cloud/bigtable/data/v2/stub/changestream/ReadChangeStreamUserCallableTest.java
 create mode 100644 google-cloud-bigtable/src/test/proto/changestream_tests.proto
 create mode 100644 google-cloud-bigtable/src/test/resources/changestream.json

diff --git a/google-cloud-bigtable/clirr-ignored-differences.xml b/google-cloud-bigtable/clirr-ignored-differences.xml
index 2f7631c873..5e5f8c9733 100644
--- a/google-cloud-bigtable/clirr-ignored-differences.xml
+++ b/google-cloud-bigtable/clirr-ignored-differences.xml
@@ -39,6 +39,11 @@
         <differenceType>8001</differenceType>
         <className>com/google/cloud/bigtable/data/v2/stub/metrics/CompositeTracerFactory</className>
     </difference>
+    <!-- InternalApi was renamed -->
+    <difference>
+        <differenceType>8001</differenceType>
+        <className>com/google/cloud/bigtable/data/v2/stub/readrows/ReadRowsConvertExceptionCallable</className>
+    </difference>
     <!-- InternalApi that was removed -->
     <difference>
         <differenceType>8001</differenceType>
diff --git a/google-cloud-bigtable/pom.xml b/google-cloud-bigtable/pom.xml
index b6f3eb4c3c..0197aa44db 100644
--- a/google-cloud-bigtable/pom.xml
+++ b/google-cloud-bigtable/pom.xml
@@ -36,6 +36,12 @@
     <!-- This is used by bigtable-prod-batch-it profile to ensure that tests work on the batch endpoint.
      Also, this property will be augmented by `internal-bigtable-prod-batch-it-prop-helper` profile -->
     <bigtable.cfe-data-batch-endpoint>batch-bigtable.googleapis.com:443</bigtable.cfe-data-batch-endpoint>
+
+    <!-- These are needed to compile the protobuf used by Changestream merging acceptance test. We have enforcer rule
+     below to make sure that the versions here match the ones we pull in via the shared bom. -->
+    <grpc.version>1.52.1</grpc.version>
+    <protobuf.version>3.21.12</protobuf.version>
+    <protoc.version>${protobuf.version}</protoc.version>
   </properties>
 
   <dependencyManagement>
@@ -593,7 +599,63 @@
   </profiles>
 
   <build>
+    <extensions>
+      <extension>
+        <groupId>kr.motd.maven</groupId>
+        <artifactId>os-maven-plugin</artifactId>
+        <version>1.6.0</version>
+      </extension>
+    </extensions>
     <plugins>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-enforcer-plugin</artifactId>
+        <version>3.1.0</version>
+        <executions>
+          <execution>
+            <id>enforce-declared-grpc-and-proto-version</id>
+            <goals>
+              <goal>enforce</goal>
+            </goals>
+            <configuration>
+              <rules>
+                <bannedDependencies>
+                  <includes>
+                    <dependency>io.grpc:*:[${grpc.version}]</dependency>
+                    <dependency>com.google.protobuf:*:[${protobuf.version}]</dependency>
+                  </includes>
+                  <excludes>
+                    <dependency>io.grpc:*</dependency>
+                    <dependency>com.google.protobuf:*</dependency>
+                  </excludes>
+                </bannedDependencies>
+              </rules>
+            </configuration>
+          </execution>
+        </executions>
+      </plugin>
+      <plugin>
+        <groupId>org.xolstice.maven.plugins</groupId>
+        <artifactId>protobuf-maven-plugin</artifactId>
+        <version>0.6.1</version>
+        <executions>
+          <execution>
+            <goals>
+              <goal>test-compile</goal>
+              <goal>test-compile-custom</goal>
+            </goals>
+          </execution>
+        </executions>
+        <configuration>
+          <protocArtifact>
+            com.google.protobuf:protoc:${protoc.version}:exe:${os.detected.classifier}
+          </protocArtifact>
+          <pluginId>grpc-java</pluginId>
+          <pluginArtifact>
+            io.grpc:protoc-gen-grpc-java:${grpc.version}:exe:${os.detected.classifier}
+          </pluginArtifact>
+        </configuration>
+      </plugin>
       <plugin>
         <groupId>org.codehaus.mojo</groupId>
         <artifactId>build-helper-maven-plugin</artifactId>
diff --git a/google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/data/v2/BigtableDataClient.java b/google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/data/v2/BigtableDataClient.java
index ce9a57fa7e..968ebaef26 100644
--- a/google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/data/v2/BigtableDataClient.java
+++ b/google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/data/v2/BigtableDataClient.java
@@ -30,11 +30,14 @@
 import com.google.api.gax.rpc.ServerStreamingCallable;
 import com.google.api.gax.rpc.UnaryCallable;
 import com.google.cloud.bigtable.data.v2.models.BulkMutation;
+import com.google.cloud.bigtable.data.v2.models.ChangeStreamRecord;
 import com.google.cloud.bigtable.data.v2.models.ConditionalRowMutation;
 import com.google.cloud.bigtable.data.v2.models.Filters;
 import com.google.cloud.bigtable.data.v2.models.Filters.Filter;
 import com.google.cloud.bigtable.data.v2.models.KeyOffset;
 import com.google.cloud.bigtable.data.v2.models.Query;
+import com.google.cloud.bigtable.data.v2.models.Range.ByteStringRange;
+import com.google.cloud.bigtable.data.v2.models.ReadChangeStreamQuery;
 import com.google.cloud.bigtable.data.v2.models.ReadModifyWriteRow;
 import com.google.cloud.bigtable.data.v2.models.Row;
 import com.google.cloud.bigtable.data.v2.models.RowAdapter;
@@ -1489,6 +1492,298 @@ public UnaryCallable<ReadModifyWriteRow, Row> readModifyWriteRowCallable() {
     return stub.readModifyWriteRowCallable();
   }
 
+  /**
+   * Convenience method for synchronously streaming the partitions of a table. The returned
+   * ServerStream instance is not threadsafe, it can only be used from single thread.
+   *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (BigtableDataClient bigtableDataClient = BigtableDataClient.create("[PROJECT]", "[INSTANCE]")) {
+   *   String tableId = "[TABLE]";
+   *
+   *   try {
+   *     ServerStream<ByteStringRange> stream = bigtableDataClient.generateInitialChangeStreamPartitions(tableId);
+   *     int count = 0;
+   *
+   *     // Iterator style
+   *     for (ByteStringRange partition : stream) {
+   *       if (++count > 10) {
+   *         stream.cancel();
+   *         break;
+   *       }
+   *       // Do something with partition
+   *     }
+   *   } catch (NotFoundException e) {
+   *     System.out.println("Tried to read a non-existent table");
+   *   } catch (RuntimeException e) {
+   *     e.printStackTrace();
+   *   }
+   * }
+   * }</pre>
+   *
+   * @see ServerStreamingCallable For call styles.
+   */
+  @InternalApi("Intended for use by the BigtableIO in apache/beam only.")
+  public ServerStream<ByteStringRange> generateInitialChangeStreamPartitions(String tableId) {
+    return generateInitialChangeStreamPartitionsCallable().call(tableId);
+  }
+
+  /**
+   * Convenience method for asynchronously streaming the partitions of a table.
+   *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (BigtableDataClient bigtableDataClient = BigtableDataClient.create("[PROJECT]", "[INSTANCE]")) {
+   *   String tableId = "[TABLE]";
+   *
+   *   bigtableDataClient.generateInitialChangeStreamPartitionsAsync(tableId, new ResponseObserver<RowRange>() {
+   *     StreamController controller;
+   *     int count = 0;
+   *
+   *     public void onStart(StreamController controller) {
+   *       this.controller = controller;
+   *     }
+   *     public void onResponse(ByteStringRange partition) {
+   *       if (++count > 10) {
+   *         controller.cancel();
+   *         return;
+   *       }
+   *       // Do something with partition
+   *     }
+   *     public void onError(Throwable t) {
+   *       if (t instanceof NotFoundException) {
+   *         System.out.println("Tried to read a non-existent table");
+   *       } else {
+   *         t.printStackTrace();
+   *       }
+   *     }
+   *     public void onComplete() {
+   *       // Handle stream completion
+   *     }
+   *   });
+   * }
+   * }</pre>
+   */
+  @InternalApi("Intended for use by the BigtableIO in apache/beam only.")
+  public void generateInitialChangeStreamPartitionsAsync(
+      String tableId, ResponseObserver<ByteStringRange> observer) {
+    generateInitialChangeStreamPartitionsCallable().call(tableId, observer);
+  }
+
+  /**
+   * Streams back the results of the query. The returned callable object allows for customization of
+   * api invocation.
+   *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (BigtableDataClient bigtableDataClient = BigtableDataClient.create("[PROJECT]", "[INSTANCE]")) {
+   *   String tableId = "[TABLE]";
+   *
+   *   // Iterator style
+   *   try {
+   *     for(ByteStringRange partition : bigtableDataClient.generateInitialChangeStreamPartitionsCallable().call(tableId)) {
+   *       // Do something with partition
+   *     }
+   *   } catch (NotFoundException e) {
+   *     System.out.println("Tried to read a non-existent table");
+   *   } catch (RuntimeException e) {
+   *     e.printStackTrace();
+   *   }
+   *
+   *   // Sync style
+   *   try {
+   *     List<ByteStringRange> partitions = bigtableDataClient.generateInitialChangeStreamPartitionsCallable().all().call(tableId);
+   *   } catch (NotFoundException e) {
+   *     System.out.println("Tried to read a non-existent table");
+   *   } catch (RuntimeException e) {
+   *     e.printStackTrace();
+   *   }
+   *
+   *   // Point look up
+   *   ApiFuture<ByteStringRange> partitionFuture =
+   *     bigtableDataClient.generateInitialChangeStreamPartitionsCallable().first().futureCall(tableId);
+   *
+   *   ApiFutures.addCallback(partitionFuture, new ApiFutureCallback<ByteStringRange>() {
+   *     public void onFailure(Throwable t) {
+   *       if (t instanceof NotFoundException) {
+   *         System.out.println("Tried to read a non-existent table");
+   *       } else {
+   *         t.printStackTrace();
+   *       }
+   *     }
+   *     public void onSuccess(RowRange result) {
+   *       System.out.println("Got partition: " + result);
+   *     }
+   *   }, MoreExecutors.directExecutor());
+   *
+   *   // etc
+   * }
+   * }</pre>
+   *
+   * @see ServerStreamingCallable For call styles.
+   */
+  @InternalApi("Intended for use by the BigtableIO in apache/beam only.")
+  public ServerStreamingCallable<String, ByteStringRange>
+      generateInitialChangeStreamPartitionsCallable() {
+    return stub.generateInitialChangeStreamPartitionsCallable();
+  }
+
+  /**
+   * Convenience method for synchronously streaming the results of a {@link ReadChangeStreamQuery}.
+   * The returned ServerStream instance is not threadsafe, it can only be used from single thread.
+   *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (BigtableDataClient bigtableDataClient = BigtableDataClient.create("[PROJECT]", "[INSTANCE]")) {
+   *   String tableId = "[TABLE]";
+   *
+   *   ReadChangeStreamQuery query = ReadChangeStreamQuery.create(tableId)
+   *          .streamPartition("START_KEY", "END_KEY")
+   *          .startTime(Timestamp.newBuilder().setSeconds(100).build());
+   *
+   *   try {
+   *     ServerStream<ChangeStreamRecord> stream = bigtableDataClient.readChangeStream(query);
+   *     int count = 0;
+   *
+   *     // Iterator style
+   *     for (ChangeStreamRecord record : stream) {
+   *       if (++count > 10) {
+   *         stream.cancel();
+   *         break;
+   *       }
+   *       // Do something with the change stream record.
+   *     }
+   *   } catch (NotFoundException e) {
+   *     System.out.println("Tried to read a non-existent table");
+   *   } catch (RuntimeException e) {
+   *     e.printStackTrace();
+   *   }
+   * }
+   * }</pre>
+   *
+   * @see ServerStreamingCallable For call styles.
+   * @see ReadChangeStreamQuery For query options.
+   */
+  @InternalApi("Intended for use by the BigtableIO in apache/beam only.")
+  public ServerStream<ChangeStreamRecord> readChangeStream(ReadChangeStreamQuery query) {
+    return readChangeStreamCallable().call(query);
+  }
+
+  /**
+   * Convenience method for asynchronously streaming the results of a {@link ReadChangeStreamQuery}.
+   *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (BigtableDataClient bigtableDataClient = BigtableDataClient.create("[PROJECT]", "[INSTANCE]")) {
+   *   String tableId = "[TABLE]";
+   *
+   *   ReadChangeStreamQuery query = ReadChangeStreamQuery.create(tableId)
+   *          .streamPartition("START_KEY", "END_KEY")
+   *          .startTime(Timestamp.newBuilder().setSeconds(100).build());
+   *
+   *   bigtableDataClient.readChangeStreamAsync(query, new ResponseObserver<ChangeStreamRecord>() {
+   *     StreamController controller;
+   *     int count = 0;
+   *
+   *     public void onStart(StreamController controller) {
+   *       this.controller = controller;
+   *     }
+   *     public void onResponse(ChangeStreamRecord record) {
+   *       if (++count > 10) {
+   *         controller.cancel();
+   *         return;
+   *       }
+   *       // Do something with the change stream record.
+   *     }
+   *     public void onError(Throwable t) {
+   *       if (t instanceof NotFoundException) {
+   *         System.out.println("Tried to read a non-existent table");
+   *       } else {
+   *         t.printStackTrace();
+   *       }
+   *     }
+   *     public void onComplete() {
+   *       // Handle stream completion
+   *     }
+   *   });
+   * }
+   * }</pre>
+   */
+  @InternalApi("Intended for use by the BigtableIO in apache/beam only.")
+  public void readChangeStreamAsync(
+      ReadChangeStreamQuery query, ResponseObserver<ChangeStreamRecord> observer) {
+    readChangeStreamCallable().call(query, observer);
+  }
+
+  /**
+   * Streams back the results of the query. The returned callable object allows for customization of
+   * api invocation.
+   *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (BigtableDataClient bigtableDataClient = BigtableDataClient.create("[PROJECT]", "[INSTANCE]")) {
+   *   String tableId = "[TABLE]";
+   *
+   *   ReadChangeStreamQuery query = ReadChangeStreamQuery.create(tableId)
+   *          .streamPartition("START_KEY", "END_KEY")
+   *          .startTime(Timestamp.newBuilder().setSeconds(100).build());
+   *
+   *   // Iterator style
+   *   try {
+   *     for(ChangeStreamRecord record : bigtableDataClient.readChangeStreamCallable().call(query)) {
+   *       // Do something with record
+   *     }
+   *   } catch (NotFoundException e) {
+   *     System.out.println("Tried to read a non-existent table");
+   *   } catch (RuntimeException e) {
+   *     e.printStackTrace();
+   *   }
+   *
+   *   // Sync style
+   *   try {
+   *     List<ChangeStreamRecord> records = bigtableDataClient.readChangeStreamCallable().all().call(query);
+   *   } catch (NotFoundException e) {
+   *     System.out.println("Tried to read a non-existent table");
+   *   } catch (RuntimeException e) {
+   *     e.printStackTrace();
+   *   }
+   *
+   *   // Point look up
+   *   ApiFuture<ChangeStreamRecord> recordFuture =
+   *     bigtableDataClient.readChangeStreamCallable().first().futureCall(query);
+   *
+   *   ApiFutures.addCallback(recordFuture, new ApiFutureCallback<ChangeStreamRecord>() {
+   *     public void onFailure(Throwable t) {
+   *       if (t instanceof NotFoundException) {
+   *         System.out.println("Tried to read a non-existent table");
+   *       } else {
+   *         t.printStackTrace();
+   *       }
+   *     }
+   *     public void onSuccess(ChangeStreamRecord result) {
+   *       System.out.println("Got record: " + result);
+   *     }
+   *   }, MoreExecutors.directExecutor());
+   *
+   *   // etc
+   * }
+   * }</pre>
+   *
+   * @see ServerStreamingCallable For call styles.
+   * @see ReadChangeStreamQuery For query options.
+   */
+  @InternalApi("Intended for use by the BigtableIO in apache/beam only.")
+  public ServerStreamingCallable<ReadChangeStreamQuery, ChangeStreamRecord>
+      readChangeStreamCallable() {
+    return stub.readChangeStreamCallable();
+  }
+
   /** Close the clients and releases all associated resources. */
   @Override
   public void close() {
diff --git a/google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/data/v2/models/ChangeStreamContinuationToken.java b/google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/data/v2/models/ChangeStreamContinuationToken.java
new file mode 100644
index 0000000000..f619d9dae0
--- /dev/null
+++ b/google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/data/v2/models/ChangeStreamContinuationToken.java
@@ -0,0 +1,88 @@
+/*
+ * Copyright 2022 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.google.cloud.bigtable.data.v2.models;
+
+import com.google.api.core.InternalApi;
+import com.google.auto.value.AutoValue;
+import com.google.bigtable.v2.RowRange;
+import com.google.bigtable.v2.StreamContinuationToken;
+import com.google.bigtable.v2.StreamPartition;
+import com.google.cloud.bigtable.data.v2.models.Range.ByteStringRange;
+import com.google.protobuf.ByteString;
+import com.google.protobuf.InvalidProtocolBufferException;
+import java.io.Serializable;
+import javax.annotation.Nonnull;
+
+/** A simple wrapper for {@link StreamContinuationToken}. */
+@InternalApi("Intended for use by the BigtableIO in apache/beam only.")
+@AutoValue
+public abstract class ChangeStreamContinuationToken implements Serializable {
+  private static final long serialVersionUID = 524679926247095L;
+
+  private static ChangeStreamContinuationToken create(@Nonnull StreamContinuationToken tokenProto) {
+    return new AutoValue_ChangeStreamContinuationToken(tokenProto);
+  }
+
+  @InternalApi("Intended for use by the BigtableIO in apache/beam only.")
+  public static ChangeStreamContinuationToken create(
+      @Nonnull ByteStringRange byteStringRange, @Nonnull String token) {
+    return create(
+        StreamContinuationToken.newBuilder()
+            .setPartition(
+                StreamPartition.newBuilder()
+                    .setRowRange(
+                        RowRange.newBuilder()
+                            .setStartKeyClosed(byteStringRange.getStart())
+                            .setEndKeyOpen(byteStringRange.getEnd())
+                            .build())
+                    .build())
+            .setToken(token)
+            .build());
+  }
+
+  /** Wraps the protobuf {@link StreamContinuationToken}. */
+  @InternalApi("Intended for use by the BigtableIO in apache/beam only.")
+  static ChangeStreamContinuationToken fromProto(
+      @Nonnull StreamContinuationToken streamContinuationToken) {
+    return create(streamContinuationToken);
+  }
+
+  @InternalApi("Intended for use by the BigtableIO in apache/beam only.")
+  public static ChangeStreamContinuationToken fromByteString(ByteString byteString)
+      throws InvalidProtocolBufferException {
+    return create(StreamContinuationToken.newBuilder().mergeFrom(byteString).build());
+  }
+
+  @Nonnull
+  public abstract StreamContinuationToken getTokenProto();
+
+  /**
+   * Get the partition of the current continuation token, represented by a {@link ByteStringRange}.
+   */
+  public ByteStringRange getPartition() {
+    return ByteStringRange.create(
+        getTokenProto().getPartition().getRowRange().getStartKeyClosed(),
+        getTokenProto().getPartition().getRowRange().getEndKeyOpen());
+  }
+
+  public String getToken() {
+    return getTokenProto().getToken();
+  }
+
+  public ByteString toByteString() {
+    return getTokenProto().toByteString();
+  }
+}
diff --git a/google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/data/v2/models/ChangeStreamMutation.java b/google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/data/v2/models/ChangeStreamMutation.java
new file mode 100644
index 0000000000..42ef300b9d
--- /dev/null
+++ b/google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/data/v2/models/ChangeStreamMutation.java
@@ -0,0 +1,231 @@
+/*
+ * Copyright 2022 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.google.cloud.bigtable.data.v2.models;
+
+import com.google.api.core.InternalApi;
+import com.google.auto.value.AutoValue;
+import com.google.cloud.bigtable.data.v2.models.Range.TimestampRange;
+import com.google.cloud.bigtable.data.v2.stub.changestream.ChangeStreamRecordMerger;
+import com.google.common.collect.ImmutableList;
+import com.google.protobuf.ByteString;
+import java.io.Serializable;
+import javax.annotation.Nonnull;
+
+/**
+ * A ChangeStreamMutation represents a list of mods(represented by List<{@link Entry}>) targeted at
+ * a single row, which is concatenated by {@link ChangeStreamRecordMerger}. It represents a logical
+ * row mutation and can be converted to the original write request(i.e. {@link RowMutation} or
+ * {@link RowMutationEntry}.
+ *
+ * <p>A ChangeStreamMutation can be constructed in two ways, depending on whether it's a user
+ * initiated mutation or a Garbage Collection mutation. Either way, the caller should explicitly set
+ * `token` and `estimatedLowWatermark` before build(), otherwise it'll raise an error.
+ *
+ * <p>Case 1) User initiated mutation.
+ *
+ * <pre>{@code
+ * ChangeStreamMutation.Builder builder = ChangeStreamMutation.createUserMutation(...);
+ * builder.setCell(...);
+ * builder.deleteFamily(...);
+ * builder.deleteCells(...);
+ * ChangeStreamMutation changeStreamMutation = builder.setToken(...).setEstimatedLowWatermark().build();
+ * }</pre>
+ *
+ * Case 2) Garbage Collection mutation.
+ *
+ * <pre>{@code
+ * ChangeStreamMutation.Builder builder = ChangeStreamMutation.createGcMutation(...);
+ * builder.setCell(...);
+ * builder.deleteFamily(...);
+ * builder.deleteCells(...);
+ * ChangeStreamMutation changeStreamMutation = builder.setToken(...).setEstimatedLowWatermark().build();
+ * }</pre>
+ */
+@InternalApi("Intended for use by the BigtableIO in apache/beam only.")
+@AutoValue
+public abstract class ChangeStreamMutation implements ChangeStreamRecord, Serializable {
+  private static final long serialVersionUID = 8419520253162024218L;
+
+  public enum MutationType {
+    USER,
+    GARBAGE_COLLECTION
+  }
+
+  /**
+   * Creates a new instance of a user initiated mutation. It returns a builder instead of a
+   * ChangeStreamMutation because `token` and `loWatermark` must be set later when we finish
+   * building the logical mutation.
+   */
+  static Builder createUserMutation(
+      @Nonnull ByteString rowKey,
+      @Nonnull String sourceClusterId,
+      long commitTimestamp,
+      int tieBreaker) {
+    return builder()
+        .setRowKey(rowKey)
+        .setType(MutationType.USER)
+        .setSourceClusterId(sourceClusterId)
+        .setCommitTimestamp(commitTimestamp)
+        .setTieBreaker(tieBreaker);
+  }
+
+  /**
+   * Creates a new instance of a GC mutation. It returns a builder instead of a ChangeStreamMutation
+   * because `token` and `loWatermark` must be set later when we finish building the logical
+   * mutation.
+   */
+  static Builder createGcMutation(
+      @Nonnull ByteString rowKey, long commitTimestamp, int tieBreaker) {
+    return builder()
+        .setRowKey(rowKey)
+        .setType(MutationType.GARBAGE_COLLECTION)
+        .setSourceClusterId("")
+        .setCommitTimestamp(commitTimestamp)
+        .setTieBreaker(tieBreaker);
+  }
+
+  /** Get the row key of the current mutation. */
+  @Nonnull
+  public abstract ByteString getRowKey();
+
+  /** Get the type of the current mutation. */
+  @Nonnull
+  public abstract MutationType getType();
+
+  /** Get the source cluster id of the current mutation. */
+  @Nonnull
+  public abstract String getSourceClusterId();
+
+  /** Get the commit timestamp of the current mutation. */
+  public abstract long getCommitTimestamp();
+
+  /**
+   * Get the tie breaker of the current mutation. This is used to resolve conflicts when multiple
+   * mutations are applied to different clusters at the same time.
+   */
+  public abstract int getTieBreaker();
+
+  /** Get the token of the current mutation, which can be used to resume the changestream. */
+  @Nonnull
+  public abstract String getToken();
+
+  /** Get the low watermark of the current mutation. */
+  public abstract long getEstimatedLowWatermark();
+
+  /** Get the list of mods of the current mutation. */
+  @Nonnull
+  public abstract ImmutableList<Entry> getEntries();
+
+  /** Returns a new builder for this class. */
+  static Builder builder() {
+    return new AutoValue_ChangeStreamMutation.Builder();
+  }
+
+  /** Helper class to create a ChangeStreamMutation. */
+  @InternalApi("Intended for use by the BigtableIO in apache/beam only.")
+  @AutoValue.Builder
+  abstract static class Builder {
+    abstract Builder setRowKey(@Nonnull ByteString rowKey);
+
+    abstract Builder setType(@Nonnull MutationType type);
+
+    abstract Builder setSourceClusterId(@Nonnull String sourceClusterId);
+
+    abstract Builder setCommitTimestamp(long commitTimestamp);
+
+    abstract Builder setTieBreaker(int tieBreaker);
+
+    abstract ImmutableList.Builder<Entry> entriesBuilder();
+
+    abstract Builder setToken(@Nonnull String token);
+
+    abstract Builder setEstimatedLowWatermark(long estimatedLowWatermark);
+
+    Builder setCell(
+        @Nonnull String familyName,
+        @Nonnull ByteString qualifier,
+        long timestamp,
+        @Nonnull ByteString value) {
+      this.entriesBuilder().add(SetCell.create(familyName, qualifier, timestamp, value));
+      return this;
+    }
+
+    Builder deleteCells(
+        @Nonnull String familyName,
+        @Nonnull ByteString qualifier,
+        @Nonnull TimestampRange timestampRange) {
+      this.entriesBuilder().add(DeleteCells.create(familyName, qualifier, timestampRange));
+      return this;
+    }
+
+    Builder deleteFamily(@Nonnull String familyName) {
+      this.entriesBuilder().add(DeleteFamily.create(familyName));
+      return this;
+    }
+
+    abstract ChangeStreamMutation build();
+  }
+
+  public RowMutation toRowMutation(@Nonnull String tableId) {
+    RowMutation rowMutation = RowMutation.create(tableId, getRowKey());
+    for (Entry entry : getEntries()) {
+      if (entry instanceof DeleteFamily) {
+        rowMutation.deleteFamily(((DeleteFamily) entry).getFamilyName());
+      } else if (entry instanceof DeleteCells) {
+        DeleteCells deleteCells = (DeleteCells) entry;
+        rowMutation.deleteCells(
+            deleteCells.getFamilyName(),
+            deleteCells.getQualifier(),
+            deleteCells.getTimestampRange());
+      } else if (entry instanceof SetCell) {
+        SetCell setCell = (SetCell) entry;
+        rowMutation.setCell(
+            setCell.getFamilyName(),
+            setCell.getQualifier(),
+            setCell.getTimestamp(),
+            setCell.getValue());
+      } else {
+        throw new IllegalArgumentException("Unexpected Entry type.");
+      }
+    }
+    return rowMutation;
+  }
+
+  public RowMutationEntry toRowMutationEntry() {
+    RowMutationEntry rowMutationEntry = RowMutationEntry.create(getRowKey());
+    for (Entry entry : getEntries()) {
+      if (entry instanceof DeleteFamily) {
+        rowMutationEntry.deleteFamily(((DeleteFamily) entry).getFamilyName());
+      } else if (entry instanceof DeleteCells) {
+        DeleteCells deleteCells = (DeleteCells) entry;
+        rowMutationEntry.deleteCells(
+            deleteCells.getFamilyName(),
+            deleteCells.getQualifier(),
+            deleteCells.getTimestampRange());
+      } else if (entry instanceof SetCell) {
+        SetCell setCell = (SetCell) entry;
+        rowMutationEntry.setCell(
+            setCell.getFamilyName(),
+            setCell.getQualifier(),
+            setCell.getTimestamp(),
+            setCell.getValue());
+      } else {
+        throw new IllegalArgumentException("Unexpected Entry type.");
+      }
+    }
+    return rowMutationEntry;
+  }
+}
diff --git a/google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/data/v2/models/ChangeStreamRecord.java b/google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/data/v2/models/ChangeStreamRecord.java
new file mode 100644
index 0000000000..edf0c1a26e
--- /dev/null
+++ b/google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/data/v2/models/ChangeStreamRecord.java
@@ -0,0 +1,25 @@
+/*
+ * Copyright 2022 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.google.cloud.bigtable.data.v2.models;
+
+import com.google.api.core.InternalApi;
+
+/**
+ * Default representation of a change stream record, which can be a Heartbeat, a CloseStream, or a
+ * logical mutation.
+ */
+@InternalApi("Intended for use by the BigtableIO in apache/beam only.")
+public interface ChangeStreamRecord {}
diff --git a/google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/data/v2/models/ChangeStreamRecordAdapter.java b/google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/data/v2/models/ChangeStreamRecordAdapter.java
new file mode 100644
index 0000000000..f94a3b4c3c
--- /dev/null
+++ b/google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/data/v2/models/ChangeStreamRecordAdapter.java
@@ -0,0 +1,172 @@
+/*
+ * Copyright 2022 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.google.cloud.bigtable.data.v2.models;
+
+import com.google.api.core.InternalApi;
+import com.google.bigtable.v2.ReadChangeStreamResponse;
+import com.google.cloud.bigtable.data.v2.models.Range.TimestampRange;
+import com.google.protobuf.ByteString;
+import javax.annotation.Nonnull;
+
+/**
+ * An extension point that allows end users to plug in a custom implementation of logical change
+ * stream records. This is useful in cases where the user would like to apply advanced client side
+ * filtering(for example, only keep DeleteFamily in the mutations). This adapter acts like a factory
+ * for a SAX style change stream record builder.
+ */
+@InternalApi("Intended for use by the BigtableIO in apache/beam only.")
+public interface ChangeStreamRecordAdapter<ChangeStreamRecordT> {
+  /** Creates a new instance of a {@link ChangeStreamRecordBuilder}. */
+  ChangeStreamRecordBuilder<ChangeStreamRecordT> createChangeStreamRecordBuilder();
+
+  /** Checks if the given change stream record is a Heartbeat. */
+  @InternalApi("Intended for use by the BigtableIO in apache/beam only.")
+  boolean isHeartbeat(ChangeStreamRecordT record);
+
+  /**
+   * Get the token from the given Heartbeat record. If the given record is not a Heartbeat, it will
+   * throw an Exception.
+   */
+  @InternalApi("Intended for use by the BigtableIO in apache/beam only.")
+  String getTokenFromHeartbeat(ChangeStreamRecordT heartbeatRecord);
+
+  /** Checks if the given change stream record is a ChangeStreamMutation. */
+  @InternalApi("Intended for use by the BigtableIO in apache/beam only.")
+  boolean isChangeStreamMutation(ChangeStreamRecordT record);
+
+  /**
+   * Get the token from the given ChangeStreamMutation record. If the given record is not a
+   * ChangeStreamMutation, it will throw an Exception.
+   */
+  @InternalApi("Intended for use by the BigtableIO in apache/beam only.")
+  String getTokenFromChangeStreamMutation(ChangeStreamRecordT record);
+
+  /**
+   * A SAX style change stream record factory. It is responsible for creating one of the three types
+   * of change stream record: heartbeat, close stream, and a change stream mutation.
+   *
+   * <p>State management is handled external to the implementation of this class:
+   *
+   * <ol>
+   *   Case 1: Heartbeat
+   *   <li>Exactly 1 {@code onHeartbeat}.
+   * </ol>
+   *
+   * <ol>
+   *   Case 2: CloseStream
+   *   <li>Exactly 1 {@code onCloseStream}.
+   * </ol>
+   *
+   * <ol>
+   *   Case 3: ChangeStreamMutation. A change stream mutation consists of one or more mods, where
+   *   the SetCells might be chunked. There are 3 different types of mods that a ReadChangeStream
+   *   response can have:
+   *   <li>DeleteFamily -> Exactly 1 {@code deleteFamily}
+   *   <li>DeleteCell -> Exactly 1 {@code deleteCell}
+   *   <li>SetCell -> Exactly 1 {@code startCell}, At least 1 {@code CellValue}, Exactly 1 {@code
+   *       finishCell}.
+   * </ol>
+   *
+   * <p>The whole flow of constructing a ChangeStreamMutation is:
+   *
+   * <ol>
+   *   <li>Exactly 1 {@code startUserMutation} or {@code startGcMutation}.
+   *   <li>At least 1 DeleteFamily/DeleteCell/SetCell mods.
+   *   <li>Exactly 1 {@code finishChangeStreamMutation}.
+   * </ol>
+   *
+   * <p>Note: For a non-chunked SetCell, only 1 {@code CellValue} will be called. For a chunked
+   * SetCell, more than 1 {@code CellValue}s will be called.
+   *
+   * <p>Note: DeleteRow's won't appear in data changes since they'll be converted to multiple
+   * DeleteFamily's.
+   */
+  interface ChangeStreamRecordBuilder<ChangeStreamRecordT> {
+    /**
+     * Called to create a heartbeat. This will be called at most once. If called, the current change
+     * stream record must not include any data changes or close stream messages.
+     */
+    ChangeStreamRecordT onHeartbeat(ReadChangeStreamResponse.Heartbeat heartbeat);
+
+    /**
+     * Called to create a close stream message. This will be called at most once. If called, the
+     * current change stream record must not include any data changes or heartbeats.
+     */
+    ChangeStreamRecordT onCloseStream(ReadChangeStreamResponse.CloseStream closeStream);
+
+    /**
+     * Called to start a new user initiated ChangeStreamMutation. This will be called at most once.
+     * If called, the current change stream record must not include any close stream message or
+     * heartbeat.
+     */
+    void startUserMutation(
+        @Nonnull ByteString rowKey,
+        @Nonnull String sourceClusterId,
+        long commitTimestamp,
+        int tieBreaker);
+
+    /**
+     * Called to start a new Garbage Collection ChangeStreamMutation. This will be called at most
+     * once. If called, the current change stream record must not include any close stream message
+     * or heartbeat.
+     */
+    void startGcMutation(@Nonnull ByteString rowKey, long commitTimestamp, int tieBreaker);
+
+    /** Called to add a DeleteFamily mod. */
+    void deleteFamily(@Nonnull String familyName);
+
+    /** Called to add a DeleteCell mod. */
+    void deleteCells(
+        @Nonnull String familyName,
+        @Nonnull ByteString qualifier,
+        @Nonnull TimestampRange timestampRange);
+
+    /**
+     * Called to start a SetCell.
+     *
+     * <ol>
+     *   In case of a non-chunked cell, the following order is guaranteed:
+     *   <li>Exactly 1 {@code startCell}.
+     *   <li>Exactly 1 {@code cellValue}.
+     *   <li>Exactly 1 {@code finishCell}.
+     * </ol>
+     *
+     * <ol>
+     *   In case of a chunked cell, the following order is guaranteed:
+     *   <li>Exactly 1 {@code startCell}.
+     *   <li>At least 2 {@code cellValue}.
+     *   <li>Exactly 1 {@code finishCell}.
+     * </ol>
+     */
+    void startCell(String family, ByteString qualifier, long timestampMicros);
+
+    /**
+     * Called once per non-chunked cell, or at least twice per chunked cell to concatenate the cell
+     * value.
+     */
+    void cellValue(ByteString value);
+
+    /** Called once per cell to signal the end of the value (unless reset). */
+    void finishCell();
+
+    /** Called once per stream record to signal that all mods have been processed (unless reset). */
+    ChangeStreamRecordT finishChangeStreamMutation(
+        @Nonnull String token, long estimatedLowWatermark);
+
+    /** Called when the current in progress change stream record should be dropped */
+    void reset();
+  }
+}
diff --git a/google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/data/v2/models/CloseStream.java b/google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/data/v2/models/CloseStream.java
new file mode 100644
index 0000000000..4760e511e9
--- /dev/null
+++ b/google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/data/v2/models/CloseStream.java
@@ -0,0 +1,58 @@
+/*
+ * Copyright 2022 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.google.cloud.bigtable.data.v2.models;
+
+import com.google.api.core.InternalApi;
+import com.google.auto.value.AutoValue;
+import com.google.bigtable.v2.ReadChangeStreamResponse;
+import com.google.common.collect.ImmutableList;
+import com.google.rpc.Status;
+import java.io.Serializable;
+import java.util.List;
+import javax.annotation.Nonnull;
+
+/**
+ * A simple wrapper for {@link ReadChangeStreamResponse.CloseStream}. This message is received when
+ * the stream reading is finished(i.e. read past the stream end time), or an error has occurred.
+ */
+@InternalApi("Intended for use by the BigtableIO in apache/beam only.")
+@AutoValue
+public abstract class CloseStream implements ChangeStreamRecord, Serializable {
+  private static final long serialVersionUID = 7316215828353608505L;
+
+  private static CloseStream create(
+      Status status, List<ChangeStreamContinuationToken> changeStreamContinuationTokens) {
+    return new AutoValue_CloseStream(status, changeStreamContinuationTokens);
+  }
+
+  /** Wraps the protobuf {@link ReadChangeStreamResponse.CloseStream}. */
+  @InternalApi("Intended for use by the BigtableIO in apache/beam only.")
+  public static CloseStream fromProto(@Nonnull ReadChangeStreamResponse.CloseStream closeStream) {
+    return create(
+        closeStream.getStatus(),
+        closeStream.getContinuationTokensList().stream()
+            .map(ChangeStreamContinuationToken::fromProto)
+            .collect(ImmutableList.toImmutableList()));
+  }
+
+  @InternalApi("Intended for use by the BigtableIO in apache/beam only.")
+  @Nonnull
+  public abstract Status getStatus();
+
+  @InternalApi("Intended for use by the BigtableIO in apache/beam only.")
+  @Nonnull
+  public abstract List<ChangeStreamContinuationToken> getChangeStreamContinuationTokens();
+}
diff --git a/google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/data/v2/models/DefaultChangeStreamRecordAdapter.java b/google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/data/v2/models/DefaultChangeStreamRecordAdapter.java
new file mode 100644
index 0000000000..79dec5b17f
--- /dev/null
+++ b/google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/data/v2/models/DefaultChangeStreamRecordAdapter.java
@@ -0,0 +1,176 @@
+/*
+ * Copyright 2022 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.google.cloud.bigtable.data.v2.models;
+
+import com.google.api.core.InternalApi;
+import com.google.bigtable.v2.ReadChangeStreamResponse;
+import com.google.cloud.bigtable.data.v2.models.Range.TimestampRange;
+import com.google.common.base.Preconditions;
+import com.google.protobuf.ByteString;
+import javax.annotation.Nonnull;
+import javax.annotation.Nullable;
+
+/**
+ * Default implementation of a {@link ChangeStreamRecordAdapter} that uses {@link
+ * ChangeStreamRecord}s to represent change stream records.
+ */
+@InternalApi
+public class DefaultChangeStreamRecordAdapter
+    implements ChangeStreamRecordAdapter<ChangeStreamRecord> {
+
+  /** {@inheritDoc} */
+  @Override
+  public ChangeStreamRecordBuilder<ChangeStreamRecord> createChangeStreamRecordBuilder() {
+    return new DefaultChangeStreamRecordBuilder();
+  }
+
+  /** {@inheritDoc} */
+  @Override
+  public boolean isHeartbeat(ChangeStreamRecord record) {
+    return record instanceof Heartbeat;
+  }
+
+  /** {@inheritDoc} */
+  @Override
+  public String getTokenFromHeartbeat(ChangeStreamRecord record) {
+    Preconditions.checkArgument(isHeartbeat(record), "record is not a Heartbeat.");
+    return ((Heartbeat) record).getChangeStreamContinuationToken().getToken();
+  }
+
+  /** {@inheritDoc} */
+  @Override
+  public boolean isChangeStreamMutation(ChangeStreamRecord record) {
+    return record instanceof ChangeStreamMutation;
+  }
+
+  /** {@inheritDoc} */
+  @Override
+  public String getTokenFromChangeStreamMutation(ChangeStreamRecord record) {
+    Preconditions.checkArgument(
+        isChangeStreamMutation(record), "record is not a ChangeStreamMutation.");
+    return ((ChangeStreamMutation) record).getToken();
+  }
+
+  /** {@inheritDoc} */
+  static class DefaultChangeStreamRecordBuilder
+      implements ChangeStreamRecordBuilder<ChangeStreamRecord> {
+    private ChangeStreamMutation.Builder changeStreamMutationBuilder = null;
+
+    // For the current SetCell.
+    @Nullable private String family;
+    @Nullable private ByteString qualifier;
+    private long timestampMicros;
+    @Nullable private ByteString value;
+
+    public DefaultChangeStreamRecordBuilder() {
+      reset();
+    }
+
+    /** {@inheritDoc} */
+    @Override
+    public ChangeStreamRecord onHeartbeat(ReadChangeStreamResponse.Heartbeat heartbeat) {
+      Preconditions.checkState(
+          this.changeStreamMutationBuilder == null,
+          "Can not create a Heartbeat when there is an existing ChangeStreamMutation being built.");
+      return Heartbeat.fromProto(heartbeat);
+    }
+
+    /** {@inheritDoc} */
+    @Override
+    public ChangeStreamRecord onCloseStream(ReadChangeStreamResponse.CloseStream closeStream) {
+      Preconditions.checkState(
+          this.changeStreamMutationBuilder == null,
+          "Can not create a CloseStream when there is an existing ChangeStreamMutation being built.");
+      return CloseStream.fromProto(closeStream);
+    }
+
+    /** {@inheritDoc} */
+    @Override
+    public void startUserMutation(
+        @Nonnull ByteString rowKey,
+        @Nonnull String sourceClusterId,
+        long commitTimestamp,
+        int tieBreaker) {
+      this.changeStreamMutationBuilder =
+          ChangeStreamMutation.createUserMutation(
+              rowKey, sourceClusterId, commitTimestamp, tieBreaker);
+    }
+
+    /** {@inheritDoc} */
+    @Override
+    public void startGcMutation(@Nonnull ByteString rowKey, long commitTimestamp, int tieBreaker) {
+      this.changeStreamMutationBuilder =
+          ChangeStreamMutation.createGcMutation(rowKey, commitTimestamp, tieBreaker);
+    }
+
+    /** {@inheritDoc} */
+    @Override
+    public void deleteFamily(@Nonnull String familyName) {
+      this.changeStreamMutationBuilder.deleteFamily(familyName);
+    }
+
+    /** {@inheritDoc} */
+    @Override
+    public void deleteCells(
+        @Nonnull String familyName,
+        @Nonnull ByteString qualifier,
+        @Nonnull TimestampRange timestampRange) {
+      this.changeStreamMutationBuilder.deleteCells(familyName, qualifier, timestampRange);
+    }
+
+    /** {@inheritDoc} */
+    @Override
+    public void startCell(String family, ByteString qualifier, long timestampMicros) {
+      this.family = family;
+      this.qualifier = qualifier;
+      this.timestampMicros = timestampMicros;
+      this.value = ByteString.EMPTY;
+    }
+
+    /** {@inheritDoc} */
+    @Override
+    public void cellValue(ByteString value) {
+      this.value = this.value.concat(value);
+    }
+
+    /** {@inheritDoc} */
+    @Override
+    public void finishCell() {
+      this.changeStreamMutationBuilder.setCell(
+          this.family, this.qualifier, this.timestampMicros, this.value);
+    }
+
+    /** {@inheritDoc} */
+    @Override
+    public ChangeStreamRecord finishChangeStreamMutation(
+        @Nonnull String token, long estimatedLowWatermark) {
+      this.changeStreamMutationBuilder.setToken(token);
+      this.changeStreamMutationBuilder.setEstimatedLowWatermark(estimatedLowWatermark);
+      return this.changeStreamMutationBuilder.build();
+    }
+
+    /** {@inheritDoc} */
+    @Override
+    public void reset() {
+      changeStreamMutationBuilder = null;
+
+      family = null;
+      qualifier = null;
+      timestampMicros = 0;
+      value = null;
+    }
+  }
+}
diff --git a/google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/data/v2/models/DeleteCells.java b/google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/data/v2/models/DeleteCells.java
new file mode 100644
index 0000000000..26fcdd1083
--- /dev/null
+++ b/google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/data/v2/models/DeleteCells.java
@@ -0,0 +1,49 @@
+/*
+ * Copyright 2022 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.google.cloud.bigtable.data.v2.models;
+
+import com.google.api.core.InternalApi;
+import com.google.auto.value.AutoValue;
+import com.google.cloud.bigtable.data.v2.models.Range.TimestampRange;
+import com.google.protobuf.ByteString;
+import java.io.Serializable;
+import javax.annotation.Nonnull;
+
+/** Representation of a DeleteCells mod in a data change. */
+@InternalApi("Intended for use by the BigtableIO in apache/beam only.")
+@AutoValue
+public abstract class DeleteCells implements Entry, Serializable {
+  private static final long serialVersionUID = 851772158721462017L;
+
+  public static DeleteCells create(
+      @Nonnull String familyName,
+      @Nonnull ByteString qualifier,
+      @Nonnull TimestampRange timestampRange) {
+    return new AutoValue_DeleteCells(familyName, qualifier, timestampRange);
+  }
+
+  /** Get the column family of the current DeleteCells. */
+  @Nonnull
+  public abstract String getFamilyName();
+
+  /** Get the column qualifier of the current DeleteCells. */
+  @Nonnull
+  public abstract ByteString getQualifier();
+
+  /** Get the timestamp range of the current DeleteCells. */
+  @Nonnull
+  public abstract TimestampRange getTimestampRange();
+}
diff --git a/google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/data/v2/models/DeleteFamily.java b/google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/data/v2/models/DeleteFamily.java
new file mode 100644
index 0000000000..367811c386
--- /dev/null
+++ b/google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/data/v2/models/DeleteFamily.java
@@ -0,0 +1,36 @@
+/*
+ * Copyright 2022 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.google.cloud.bigtable.data.v2.models;
+
+import com.google.api.core.InternalApi;
+import com.google.auto.value.AutoValue;
+import java.io.Serializable;
+import javax.annotation.Nonnull;
+
+/** Representation of a DeleteFamily mod in a data change. */
+@InternalApi("Intended for use by the BigtableIO in apache/beam only.")
+@AutoValue
+public abstract class DeleteFamily implements Entry, Serializable {
+  private static final long serialVersionUID = 81806775917145615L;
+
+  public static DeleteFamily create(@Nonnull String familyName) {
+    return new AutoValue_DeleteFamily(familyName);
+  }
+
+  /** Get the column family of the current DeleteFamily. */
+  @Nonnull
+  public abstract String getFamilyName();
+}
diff --git a/google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/data/v2/models/Entry.java b/google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/data/v2/models/Entry.java
new file mode 100644
index 0000000000..44abf53d5f
--- /dev/null
+++ b/google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/data/v2/models/Entry.java
@@ -0,0 +1,26 @@
+/*
+ * Copyright 2022 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.google.cloud.bigtable.data.v2.models;
+
+import com.google.api.core.InternalApi;
+
+/**
+ * Default representation of a mod in a data change, which can be a {@link DeleteFamily}, a {@link
+ * DeleteCells}, or a {@link SetCell} This class will be used by {@link ChangeStreamMutation} to
+ * represent a list of mods in a logical change stream mutation.
+ */
+@InternalApi("Intended for use by the BigtableIO in apache/beam only.")
+public interface Entry {}
diff --git a/google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/data/v2/models/Heartbeat.java b/google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/data/v2/models/Heartbeat.java
new file mode 100644
index 0000000000..2e2b40b327
--- /dev/null
+++ b/google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/data/v2/models/Heartbeat.java
@@ -0,0 +1,49 @@
+/*
+ * Copyright 2022 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.google.cloud.bigtable.data.v2.models;
+
+import com.google.api.core.InternalApi;
+import com.google.auto.value.AutoValue;
+import com.google.bigtable.v2.ReadChangeStreamResponse;
+import com.google.protobuf.Timestamp;
+import java.io.Serializable;
+import javax.annotation.Nonnull;
+
+/** A simple wrapper for {@link ReadChangeStreamResponse.Heartbeat}. */
+@InternalApi("Intended for use by the BigtableIO in apache/beam only.")
+@AutoValue
+public abstract class Heartbeat implements ChangeStreamRecord, Serializable {
+  private static final long serialVersionUID = 7316215828353608504L;
+
+  private static Heartbeat create(
+      ChangeStreamContinuationToken changeStreamContinuationToken,
+      Timestamp estimatedLowWatermark) {
+    return new AutoValue_Heartbeat(changeStreamContinuationToken, estimatedLowWatermark);
+  }
+
+  /** Wraps the protobuf {@link ReadChangeStreamResponse.Heartbeat}. */
+  static Heartbeat fromProto(@Nonnull ReadChangeStreamResponse.Heartbeat heartbeat) {
+    return create(
+        ChangeStreamContinuationToken.fromProto(heartbeat.getContinuationToken()),
+        heartbeat.getEstimatedLowWatermark());
+  }
+
+  @InternalApi("Intended for use by the BigtableIO in apache/beam only.")
+  public abstract ChangeStreamContinuationToken getChangeStreamContinuationToken();
+
+  @InternalApi("Intended for use by the BigtableIO in apache/beam only.")
+  public abstract Timestamp getEstimatedLowWatermark();
+}
diff --git a/google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/data/v2/models/Range.java b/google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/data/v2/models/Range.java
index 4d7a10ab2a..a3cdff5912 100644
--- a/google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/data/v2/models/Range.java
+++ b/google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/data/v2/models/Range.java
@@ -15,10 +15,13 @@
  */
 package com.google.cloud.bigtable.data.v2.models;
 
+import com.google.api.core.InternalApi;
 import com.google.api.core.InternalExtensionOnly;
+import com.google.bigtable.v2.RowRange;
 import com.google.common.base.Objects;
 import com.google.common.base.Preconditions;
 import com.google.protobuf.ByteString;
+import com.google.protobuf.InvalidProtocolBufferException;
 import java.io.IOException;
 import java.io.ObjectInputStream;
 import java.io.ObjectOutputStream;
@@ -395,6 +398,22 @@ private void writeObject(ObjectOutputStream output) throws IOException {
       output.defaultWriteObject();
     }
 
+    @InternalApi("Intended for use by the BigtableIO in apache/beam only.")
+    public static ByteString serializeToByteString(ByteStringRange byteStringRange) {
+      return RowRange.newBuilder()
+          .setStartKeyClosed(byteStringRange.getStart())
+          .setEndKeyOpen(byteStringRange.getEnd())
+          .build()
+          .toByteString();
+    }
+
+    @InternalApi("Intended for use by the BigtableIO in apache/beam only.")
+    public static ByteStringRange toByteStringRange(ByteString byteString)
+        throws InvalidProtocolBufferException {
+      RowRange rowRange = RowRange.newBuilder().mergeFrom(byteString).build();
+      return ByteStringRange.create(rowRange.getStartKeyClosed(), rowRange.getEndKeyOpen());
+    }
+
     @Override
     public boolean equals(Object o) {
       if (this == o) {
diff --git a/google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/data/v2/models/ReadChangeStreamQuery.java b/google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/data/v2/models/ReadChangeStreamQuery.java
new file mode 100644
index 0000000000..e6bfd8c431
--- /dev/null
+++ b/google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/data/v2/models/ReadChangeStreamQuery.java
@@ -0,0 +1,271 @@
+/*
+ * Copyright 2022 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.google.cloud.bigtable.data.v2.models;
+
+import com.google.api.core.InternalApi;
+import com.google.bigtable.v2.ReadChangeStreamRequest;
+import com.google.bigtable.v2.RowRange;
+import com.google.bigtable.v2.StreamContinuationTokens;
+import com.google.bigtable.v2.StreamPartition;
+import com.google.cloud.bigtable.data.v2.internal.NameUtil;
+import com.google.cloud.bigtable.data.v2.internal.RequestContext;
+import com.google.cloud.bigtable.data.v2.models.Range.ByteStringRange;
+import com.google.common.base.MoreObjects;
+import com.google.common.base.Objects;
+import com.google.common.base.Preconditions;
+import com.google.protobuf.ByteString;
+import com.google.protobuf.Duration;
+import com.google.protobuf.util.Timestamps;
+import java.io.IOException;
+import java.io.ObjectInputStream;
+import java.io.ObjectOutputStream;
+import java.io.Serializable;
+import java.util.List;
+import javax.annotation.Nonnull;
+import javax.annotation.Nullable;
+
+/** A simple wrapper to construct a query for the ReadChangeStream RPC. */
+@InternalApi("Intended for use by the BigtableIO in apache/beam only.")
+public final class ReadChangeStreamQuery implements Serializable, Cloneable {
+  private static final long serialVersionUID = 948588515749969176L;
+
+  private final String tableId;
+  private transient ReadChangeStreamRequest.Builder builder = ReadChangeStreamRequest.newBuilder();
+
+  /**
+   * Constructs a new ReadChangeStreamQuery object for the specified table id. The table id will be
+   * combined with the instance name specified in the {@link
+   * com.google.cloud.bigtable.data.v2.BigtableDataSettings}.
+   */
+  public static ReadChangeStreamQuery create(String tableId) {
+    return new ReadChangeStreamQuery(tableId);
+  }
+
+  private ReadChangeStreamQuery(String tableId) {
+    this.tableId = tableId;
+  }
+
+  private void readObject(ObjectInputStream input) throws IOException, ClassNotFoundException {
+    input.defaultReadObject();
+    builder = ReadChangeStreamRequest.newBuilder().mergeFrom(input);
+  }
+
+  private void writeObject(ObjectOutputStream output) throws IOException {
+    output.defaultWriteObject();
+    builder.build().writeTo(output);
+  }
+
+  /**
+   * Adds a partition.
+   *
+   * @param rowRange Represents the partition in the form [startKey, endKey). startKey can be null
+   *     to represent negative infinity. endKey can be null to represent positive infinity.
+   */
+  public ReadChangeStreamQuery streamPartition(@Nonnull RowRange rowRange) {
+    builder.setPartition(StreamPartition.newBuilder().setRowRange(rowRange).build());
+    return this;
+  }
+
+  /**
+   * Adds a partition.
+   *
+   * @param start The beginning of the range (inclusive). Can be null to represent negative
+   *     infinity.
+   * @param end The end of the range (exclusive). Can be null to represent positive infinity.
+   */
+  public ReadChangeStreamQuery streamPartition(String start, String end) {
+    return streamPartition(wrapKey(start), wrapKey(end));
+  }
+
+  /**
+   * Adds a partition.
+   *
+   * @param start The beginning of the range (inclusive). Can be null to represent negative
+   *     infinity.
+   * @param end The end of the range (exclusive). Can be null to represent positive infinity.
+   */
+  public ReadChangeStreamQuery streamPartition(
+      @Nullable ByteString start, @Nullable ByteString end) {
+    RowRange.Builder rangeBuilder = RowRange.newBuilder();
+    if (start != null) {
+      rangeBuilder.setStartKeyClosed(start);
+    }
+    if (end != null) {
+      rangeBuilder.setEndKeyOpen(end);
+    }
+    return streamPartition(rangeBuilder.build());
+  }
+
+  /** Adds a partition. */
+  public ReadChangeStreamQuery streamPartition(ByteStringRange range) {
+    RowRange.Builder rangeBuilder = RowRange.newBuilder();
+
+    switch (range.getStartBound()) {
+      case OPEN:
+        throw new IllegalStateException("Start bound should be closed.");
+      case CLOSED:
+        rangeBuilder.setStartKeyClosed(range.getStart());
+        break;
+      case UNBOUNDED:
+        rangeBuilder.clearStartKey();
+        break;
+      default:
+        throw new IllegalStateException("Unknown start bound: " + range.getStartBound());
+    }
+
+    switch (range.getEndBound()) {
+      case OPEN:
+        rangeBuilder.setEndKeyOpen(range.getEnd());
+        break;
+      case CLOSED:
+        throw new IllegalStateException("End bound should be open.");
+      case UNBOUNDED:
+        rangeBuilder.clearEndKey();
+        break;
+      default:
+        throw new IllegalStateException("Unknown end bound: " + range.getEndBound());
+    }
+
+    return streamPartition(rangeBuilder.build());
+  }
+
+  /** Sets the startTime(Nanosecond) to read the change stream. */
+  public ReadChangeStreamQuery startTime(long value) {
+    Preconditions.checkState(
+        !builder.hasContinuationTokens(),
+        "startTime and continuationTokens can't be specified together");
+    builder.setStartTime(Timestamps.fromNanos(value));
+    return this;
+  }
+
+  /** Sets the endTime(Nanosecond) to read the change stream. */
+  public ReadChangeStreamQuery endTime(long value) {
+    builder.setEndTime(Timestamps.fromNanos(value));
+    return this;
+  }
+
+  /** Sets the stream continuation tokens to read the change stream. */
+  public ReadChangeStreamQuery continuationTokens(
+      List<ChangeStreamContinuationToken> changeStreamContinuationTokens) {
+    Preconditions.checkState(
+        !builder.hasStartTime(), "startTime and continuationTokens can't be specified together");
+    StreamContinuationTokens.Builder streamContinuationTokensBuilder =
+        StreamContinuationTokens.newBuilder();
+    for (ChangeStreamContinuationToken changeStreamContinuationToken :
+        changeStreamContinuationTokens) {
+      streamContinuationTokensBuilder.addTokens(changeStreamContinuationToken.getTokenProto());
+    }
+    builder.setContinuationTokens(streamContinuationTokensBuilder);
+    return this;
+  }
+
+  /** Sets the heartbeat duration for the change stream. */
+  public ReadChangeStreamQuery heartbeatDuration(java.time.Duration duration) {
+    builder.setHeartbeatDuration(
+        Duration.newBuilder()
+            .setSeconds(duration.getSeconds())
+            .setNanos(duration.getNano())
+            .build());
+    return this;
+  }
+
+  /**
+   * Creates the request protobuf. This method is considered an internal implementation detail and
+   * not meant to be used by applications.
+   */
+  @InternalApi("Used in Changestream beam pipeline.")
+  public ReadChangeStreamRequest toProto(RequestContext requestContext) {
+    String tableName =
+        NameUtil.formatTableName(
+            requestContext.getProjectId(), requestContext.getInstanceId(), tableId);
+
+    return builder
+        .setTableName(tableName)
+        .setAppProfileId(requestContext.getAppProfileId())
+        .build();
+  }
+
+  /**
+   * Wraps the protobuf {@link ReadChangeStreamRequest}.
+   *
+   * <p>WARNING: Please note that the project id & instance id in the table name will be overwritten
+   * by the configuration in the BigtableDataClient.
+   */
+  public static ReadChangeStreamQuery fromProto(@Nonnull ReadChangeStreamRequest request) {
+    ReadChangeStreamQuery query =
+        new ReadChangeStreamQuery(NameUtil.extractTableIdFromTableName(request.getTableName()));
+    query.builder = request.toBuilder();
+
+    return query;
+  }
+
+  @Override
+  protected ReadChangeStreamQuery clone() {
+    ReadChangeStreamQuery query = ReadChangeStreamQuery.create(tableId);
+    query.builder = this.builder.clone();
+    return query;
+  }
+
+  @Nullable
+  private static ByteString wrapKey(@Nullable String key) {
+    if (key == null) {
+      return null;
+    }
+    return ByteString.copyFromUtf8(key);
+  }
+
+  @Override
+  public boolean equals(Object o) {
+    if (this == o) {
+      return true;
+    }
+    if (o == null || getClass() != o.getClass()) {
+      return false;
+    }
+    ReadChangeStreamQuery query = (ReadChangeStreamQuery) o;
+    return Objects.equal(tableId, query.tableId)
+        && Objects.equal(builder.getPartition(), query.builder.getPartition())
+        && Objects.equal(builder.getStartTime(), query.builder.getStartTime())
+        && Objects.equal(builder.getEndTime(), query.builder.getEndTime())
+        && Objects.equal(builder.getContinuationTokens(), query.builder.getContinuationTokens())
+        && Objects.equal(builder.getHeartbeatDuration(), query.builder.getHeartbeatDuration());
+  }
+
+  @Override
+  public int hashCode() {
+    return Objects.hashCode(
+        tableId,
+        builder.getPartition(),
+        builder.getStartTime(),
+        builder.getEndTime(),
+        builder.getContinuationTokens(),
+        builder.getHeartbeatDuration());
+  }
+
+  @Override
+  public String toString() {
+    ReadChangeStreamRequest request = builder.build();
+
+    return MoreObjects.toStringHelper(this)
+        .add("tableId", tableId)
+        .add("partition", request.getPartition())
+        .add("startTime", request.getStartTime())
+        .add("endTime", request.getEndTime())
+        .add("continuationTokens", request.getContinuationTokens())
+        .add("heartbeatDuration", request.getHeartbeatDuration())
+        .toString();
+  }
+}
diff --git a/google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/data/v2/models/SetCell.java b/google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/data/v2/models/SetCell.java
new file mode 100644
index 0000000000..92f9b6d386
--- /dev/null
+++ b/google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/data/v2/models/SetCell.java
@@ -0,0 +1,56 @@
+/*
+ * Copyright 2022 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.google.cloud.bigtable.data.v2.models;
+
+import com.google.api.core.InternalApi;
+import com.google.auto.value.AutoValue;
+import com.google.cloud.bigtable.data.v2.stub.changestream.ChangeStreamRecordMerger;
+import com.google.protobuf.ByteString;
+import java.io.Serializable;
+import javax.annotation.Nonnull;
+
+/**
+ * Representation of a SetCell mod in a data change, whose value is concatenated by {@link
+ * ChangeStreamRecordMerger} in case of SetCell value chunking.
+ */
+@InternalApi("Intended for use by the BigtableIO in apache/beam only.")
+@AutoValue
+public abstract class SetCell implements Entry, Serializable {
+  private static final long serialVersionUID = 77123872266724154L;
+
+  public static SetCell create(
+      @Nonnull String familyName,
+      @Nonnull ByteString qualifier,
+      long timestamp,
+      @Nonnull ByteString value) {
+    return new AutoValue_SetCell(familyName, qualifier, timestamp, value);
+  }
+
+  /** Get the column family of the current SetCell. */
+  @Nonnull
+  public abstract String getFamilyName();
+
+  /** Get the column qualifier of the current SetCell. */
+  @Nonnull
+  public abstract ByteString getQualifier();
+
+  /** Get the timestamp of the current SetCell. */
+  public abstract long getTimestamp();
+
+  /** Get the value of the current SetCell. */
+  @Nonnull
+  public abstract ByteString getValue();
+}
diff --git a/google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/data/v2/stub/ConvertExceptionCallable.java b/google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/data/v2/stub/ConvertExceptionCallable.java
index afc517bbc3..7ea1f90b38 100644
--- a/google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/data/v2/stub/ConvertExceptionCallable.java
+++ b/google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/data/v2/stub/ConvertExceptionCallable.java
@@ -26,28 +26,29 @@
 /**
  * This callable converts the "Received rst stream" exception into a retryable {@link ApiException}.
  */
-final class ConvertExceptionCallable<ReadRowsRequest, RowT>
-    extends ServerStreamingCallable<ReadRowsRequest, RowT> {
+final class ConvertExceptionCallable<RequestT, ResponseT>
+    extends ServerStreamingCallable<RequestT, ResponseT> {
 
-  private final ServerStreamingCallable<ReadRowsRequest, RowT> innerCallable;
+  private final ServerStreamingCallable<RequestT, ResponseT> innerCallable;
 
-  public ConvertExceptionCallable(ServerStreamingCallable<ReadRowsRequest, RowT> innerCallable) {
+  public ConvertExceptionCallable(ServerStreamingCallable<RequestT, ResponseT> innerCallable) {
     this.innerCallable = innerCallable;
   }
 
   @Override
   public void call(
-      ReadRowsRequest request, ResponseObserver<RowT> responseObserver, ApiCallContext context) {
-    ReadRowsConvertExceptionResponseObserver<RowT> observer =
-        new ReadRowsConvertExceptionResponseObserver<>(responseObserver);
+      RequestT request, ResponseObserver<ResponseT> responseObserver, ApiCallContext context) {
+    ConvertExceptionResponseObserver<ResponseT> observer =
+        new ConvertExceptionResponseObserver<>(responseObserver);
     innerCallable.call(request, observer, context);
   }
 
-  private class ReadRowsConvertExceptionResponseObserver<RowT> extends SafeResponseObserver<RowT> {
+  private class ConvertExceptionResponseObserver<ResponseT>
+      extends SafeResponseObserver<ResponseT> {
 
-    private final ResponseObserver<RowT> outerObserver;
+    private final ResponseObserver<ResponseT> outerObserver;
 
-    ReadRowsConvertExceptionResponseObserver(ResponseObserver<RowT> outerObserver) {
+    ConvertExceptionResponseObserver(ResponseObserver<ResponseT> outerObserver) {
       super(outerObserver);
       this.outerObserver = outerObserver;
     }
@@ -58,7 +59,7 @@ protected void onStartImpl(StreamController controller) {
     }
 
     @Override
-    protected void onResponseImpl(RowT response) {
+    protected void onResponseImpl(ResponseT response) {
       outerObserver.onResponse(response);
     }
 
diff --git a/google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/data/v2/stub/EnhancedBigtableStub.java b/google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/data/v2/stub/EnhancedBigtableStub.java
index e8cec34e84..2b50224957 100644
--- a/google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/data/v2/stub/EnhancedBigtableStub.java
+++ b/google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/data/v2/stub/EnhancedBigtableStub.java
@@ -47,31 +47,46 @@
 import com.google.bigtable.v2.BigtableGrpc;
 import com.google.bigtable.v2.CheckAndMutateRowRequest;
 import com.google.bigtable.v2.CheckAndMutateRowResponse;
+import com.google.bigtable.v2.GenerateInitialChangeStreamPartitionsRequest;
+import com.google.bigtable.v2.GenerateInitialChangeStreamPartitionsResponse;
 import com.google.bigtable.v2.MutateRowRequest;
 import com.google.bigtable.v2.MutateRowResponse;
 import com.google.bigtable.v2.MutateRowsRequest;
 import com.google.bigtable.v2.MutateRowsResponse;
 import com.google.bigtable.v2.PingAndWarmRequest;
 import com.google.bigtable.v2.PingAndWarmResponse;
+import com.google.bigtable.v2.ReadChangeStreamRequest;
+import com.google.bigtable.v2.ReadChangeStreamResponse;
 import com.google.bigtable.v2.ReadModifyWriteRowRequest;
 import com.google.bigtable.v2.ReadModifyWriteRowResponse;
 import com.google.bigtable.v2.ReadRowsRequest;
 import com.google.bigtable.v2.ReadRowsResponse;
+import com.google.bigtable.v2.RowRange;
 import com.google.bigtable.v2.SampleRowKeysRequest;
 import com.google.bigtable.v2.SampleRowKeysResponse;
 import com.google.cloud.bigtable.Version;
 import com.google.cloud.bigtable.data.v2.internal.JwtCredentialsWithAudience;
 import com.google.cloud.bigtable.data.v2.internal.RequestContext;
 import com.google.cloud.bigtable.data.v2.models.BulkMutation;
+import com.google.cloud.bigtable.data.v2.models.ChangeStreamMutation;
+import com.google.cloud.bigtable.data.v2.models.ChangeStreamRecord;
+import com.google.cloud.bigtable.data.v2.models.ChangeStreamRecordAdapter;
 import com.google.cloud.bigtable.data.v2.models.ConditionalRowMutation;
+import com.google.cloud.bigtable.data.v2.models.DefaultChangeStreamRecordAdapter;
 import com.google.cloud.bigtable.data.v2.models.DefaultRowAdapter;
 import com.google.cloud.bigtable.data.v2.models.KeyOffset;
 import com.google.cloud.bigtable.data.v2.models.Query;
+import com.google.cloud.bigtable.data.v2.models.Range.ByteStringRange;
+import com.google.cloud.bigtable.data.v2.models.ReadChangeStreamQuery;
 import com.google.cloud.bigtable.data.v2.models.ReadModifyWriteRow;
 import com.google.cloud.bigtable.data.v2.models.Row;
 import com.google.cloud.bigtable.data.v2.models.RowAdapter;
 import com.google.cloud.bigtable.data.v2.models.RowMutation;
 import com.google.cloud.bigtable.data.v2.models.RowMutationEntry;
+import com.google.cloud.bigtable.data.v2.stub.changestream.ChangeStreamRecordMergingCallable;
+import com.google.cloud.bigtable.data.v2.stub.changestream.GenerateInitialChangeStreamPartitionsUserCallable;
+import com.google.cloud.bigtable.data.v2.stub.changestream.ReadChangeStreamResumptionStrategy;
+import com.google.cloud.bigtable.data.v2.stub.changestream.ReadChangeStreamUserCallable;
 import com.google.cloud.bigtable.data.v2.stub.metrics.BigtableTracerStreamingCallable;
 import com.google.cloud.bigtable.data.v2.stub.metrics.BigtableTracerUnaryCallable;
 import com.google.cloud.bigtable.data.v2.stub.metrics.BuiltinMetricsTracerFactory;
@@ -146,6 +161,12 @@ public class EnhancedBigtableStub implements AutoCloseable {
   private final UnaryCallable<ReadModifyWriteRow, Row> readModifyWriteRowCallable;
   private final UnaryCallable<PingAndWarmRequest, PingAndWarmResponse> pingAndWarmCallable;
 
+  private final ServerStreamingCallable<String, ByteStringRange>
+      generateInitialChangeStreamPartitionsCallable;
+
+  private final ServerStreamingCallable<ReadChangeStreamQuery, ChangeStreamRecord>
+      readChangeStreamCallable;
+
   public static EnhancedBigtableStub create(EnhancedBigtableStubSettings settings)
       throws IOException {
     settings = finalizeSettings(settings, Tags.getTagger(), Stats.getStatsRecorder());
@@ -287,6 +308,10 @@ public EnhancedBigtableStub(EnhancedBigtableStubSettings settings, ClientContext
     bulkMutateRowsCallable = createBulkMutateRowsCallable();
     checkAndMutateRowCallable = createCheckAndMutateRowCallable();
     readModifyWriteRowCallable = createReadModifyWriteRowCallable();
+    generateInitialChangeStreamPartitionsCallable =
+        createGenerateInitialChangeStreamPartitionsCallable();
+    readChangeStreamCallable =
+        createReadChangeStreamCallable(new DefaultChangeStreamRecordAdapter());
     pingAndWarmCallable = createPingAndWarmCallable();
   }
 
@@ -815,6 +840,166 @@ public Map<String, String> extract(ReadModifyWriteRowRequest request) {
         methodName, new ReadModifyWriteRowCallable(retrying, requestContext));
   }
 
+  /**
+   * Creates a callable chain to handle streaming GenerateInitialChangeStreamPartitions RPCs. The
+   * chain will:
+   *
+   * <ul>
+   *   <li>Convert a String format tableId into a {@link
+   *       GenerateInitialChangeStreamPartitionsRequest} and dispatch the RPC.
+   *   <li>Upon receiving the response stream, it will convert the {@link
+   *       com.google.bigtable.v2.GenerateInitialChangeStreamPartitionsResponse}s into {@link
+   *       RowRange}.
+   * </ul>
+   */
+  private ServerStreamingCallable<String, ByteStringRange>
+      createGenerateInitialChangeStreamPartitionsCallable() {
+    ServerStreamingCallable<
+            GenerateInitialChangeStreamPartitionsRequest,
+            GenerateInitialChangeStreamPartitionsResponse>
+        base =
+            GrpcRawCallableFactory.createServerStreamingCallable(
+                GrpcCallSettings
+                    .<GenerateInitialChangeStreamPartitionsRequest,
+                        GenerateInitialChangeStreamPartitionsResponse>
+                        newBuilder()
+                    .setMethodDescriptor(
+                        BigtableGrpc.getGenerateInitialChangeStreamPartitionsMethod())
+                    .setParamsExtractor(
+                        new RequestParamsExtractor<GenerateInitialChangeStreamPartitionsRequest>() {
+                          @Override
+                          public Map<String, String> extract(
+                              GenerateInitialChangeStreamPartitionsRequest
+                                  generateInitialChangeStreamPartitionsRequest) {
+                            return ImmutableMap.of(
+                                "table_name",
+                                generateInitialChangeStreamPartitionsRequest.getTableName(),
+                                "app_profile_id",
+                                generateInitialChangeStreamPartitionsRequest.getAppProfileId());
+                          }
+                        })
+                    .build(),
+                settings.generateInitialChangeStreamPartitionsSettings().getRetryableCodes());
+
+    ServerStreamingCallable<String, ByteStringRange> userCallable =
+        new GenerateInitialChangeStreamPartitionsUserCallable(base, requestContext);
+
+    ServerStreamingCallable<String, ByteStringRange> withStatsHeaders =
+        new StatsHeadersServerStreamingCallable<>(userCallable);
+
+    // Sometimes GenerateInitialChangeStreamPartitions connections are disconnected via an RST
+    // frame. This error is transient and should be treated similar to UNAVAILABLE. However, this
+    // exception has an INTERNAL error code which by default is not retryable. Convert the exception
+    // so it can be retried in the client.
+    ServerStreamingCallable<String, ByteStringRange> convertException =
+        new ConvertExceptionCallable<>(withStatsHeaders);
+
+    // Copy idle timeout settings for watchdog.
+    ServerStreamingCallSettings<String, ByteStringRange> innerSettings =
+        ServerStreamingCallSettings.<String, ByteStringRange>newBuilder()
+            .setRetryableCodes(
+                settings.generateInitialChangeStreamPartitionsSettings().getRetryableCodes())
+            .setRetrySettings(
+                settings.generateInitialChangeStreamPartitionsSettings().getRetrySettings())
+            .setIdleTimeout(
+                settings.generateInitialChangeStreamPartitionsSettings().getIdleTimeout())
+            .build();
+
+    ServerStreamingCallable<String, ByteStringRange> watched =
+        Callables.watched(convertException, innerSettings, clientContext);
+
+    ServerStreamingCallable<String, ByteStringRange> withBigtableTracer =
+        new BigtableTracerStreamingCallable<>(watched);
+
+    ServerStreamingCallable<String, ByteStringRange> retrying =
+        Callables.retrying(withBigtableTracer, innerSettings, clientContext);
+
+    SpanName span = getSpanName("GenerateInitialChangeStreamPartitions");
+    ServerStreamingCallable<String, ByteStringRange> traced =
+        new TracedServerStreamingCallable<>(retrying, clientContext.getTracerFactory(), span);
+
+    return traced.withDefaultCallContext(clientContext.getDefaultCallContext());
+  }
+
+  /**
+   * Creates a callable chain to handle streaming ReadChangeStream RPCs. The chain will:
+   *
+   * <ul>
+   *   <li>Convert a {@link ReadChangeStreamQuery} into a {@link ReadChangeStreamRequest} and
+   *       dispatch the RPC.
+   *   <li>Upon receiving the response stream, it will produce a stream of ChangeStreamRecordT. In
+   *       case of mutations, it will merge the {@link ReadChangeStreamResponse.DataChange}s into
+   *       {@link ChangeStreamMutation}. The actual change stream record implementation can be
+   *       configured by the {@code changeStreamRecordAdapter} parameter.
+   *   <li>Retry/resume on failure.
+   *   <li>Add tracing & metrics.
+   * </ul>
+   */
+  public <ChangeStreamRecordT>
+      ServerStreamingCallable<ReadChangeStreamQuery, ChangeStreamRecordT>
+          createReadChangeStreamCallable(
+              ChangeStreamRecordAdapter<ChangeStreamRecordT> changeStreamRecordAdapter) {
+    ServerStreamingCallable<ReadChangeStreamRequest, ReadChangeStreamResponse> base =
+        GrpcRawCallableFactory.createServerStreamingCallable(
+            GrpcCallSettings.<ReadChangeStreamRequest, ReadChangeStreamResponse>newBuilder()
+                .setMethodDescriptor(BigtableGrpc.getReadChangeStreamMethod())
+                .setParamsExtractor(
+                    new RequestParamsExtractor<ReadChangeStreamRequest>() {
+                      @Override
+                      public Map<String, String> extract(
+                          ReadChangeStreamRequest readChangeStreamRequest) {
+                        return ImmutableMap.of(
+                            "table_name", readChangeStreamRequest.getTableName(),
+                            "app_profile_id", readChangeStreamRequest.getAppProfileId());
+                      }
+                    })
+                .build(),
+            settings.readChangeStreamSettings().getRetryableCodes());
+
+    ServerStreamingCallable<ReadChangeStreamRequest, ReadChangeStreamResponse> withStatsHeaders =
+        new StatsHeadersServerStreamingCallable<>(base);
+
+    // Sometimes ReadChangeStream connections are disconnected via an RST frame. This error is
+    // transient and should be treated similar to UNAVAILABLE. However, this exception has an
+    // INTERNAL error code which by default is not retryable. Convert the exception it can be
+    // retried in the client.
+    ServerStreamingCallable<ReadChangeStreamRequest, ReadChangeStreamResponse> convertException =
+        new ConvertExceptionCallable<>(withStatsHeaders);
+
+    ServerStreamingCallable<ReadChangeStreamRequest, ChangeStreamRecordT> merging =
+        new ChangeStreamRecordMergingCallable<>(convertException, changeStreamRecordAdapter);
+
+    // Copy idle timeout settings for watchdog.
+    ServerStreamingCallSettings<ReadChangeStreamRequest, ChangeStreamRecordT> innerSettings =
+        ServerStreamingCallSettings.<ReadChangeStreamRequest, ChangeStreamRecordT>newBuilder()
+            .setResumptionStrategy(
+                new ReadChangeStreamResumptionStrategy<>(changeStreamRecordAdapter))
+            .setRetryableCodes(settings.readChangeStreamSettings().getRetryableCodes())
+            .setRetrySettings(settings.readChangeStreamSettings().getRetrySettings())
+            .setIdleTimeout(settings.readChangeStreamSettings().getIdleTimeout())
+            .build();
+
+    ServerStreamingCallable<ReadChangeStreamRequest, ChangeStreamRecordT> watched =
+        Callables.watched(merging, innerSettings, clientContext);
+
+    ServerStreamingCallable<ReadChangeStreamRequest, ChangeStreamRecordT> withBigtableTracer =
+        new BigtableTracerStreamingCallable<>(watched);
+
+    ServerStreamingCallable<ReadChangeStreamRequest, ChangeStreamRecordT> readChangeStreamCallable =
+        Callables.retrying(withBigtableTracer, innerSettings, clientContext);
+
+    ServerStreamingCallable<ReadChangeStreamQuery, ChangeStreamRecordT>
+        readChangeStreamUserCallable =
+            new ReadChangeStreamUserCallable<>(readChangeStreamCallable, requestContext);
+
+    SpanName span = getSpanName("ReadChangeStream");
+    ServerStreamingCallable<ReadChangeStreamQuery, ChangeStreamRecordT> traced =
+        new TracedServerStreamingCallable<>(
+            readChangeStreamUserCallable, clientContext.getTracerFactory(), span);
+
+    return traced.withDefaultCallContext(clientContext.getDefaultCallContext());
+  }
+
   /**
    * Wraps a callable chain in a user presentable callable that will inject the default call context
    * and trace the call.
@@ -891,6 +1076,18 @@ public UnaryCallable<ReadModifyWriteRow, Row> readModifyWriteRowCallable() {
     return readModifyWriteRowCallable;
   }
 
+  /** Returns a streaming generate initial change stream partitions callable */
+  public ServerStreamingCallable<String, ByteStringRange>
+      generateInitialChangeStreamPartitionsCallable() {
+    return generateInitialChangeStreamPartitionsCallable;
+  }
+
+  /** Returns a streaming read change stream callable. */
+  public ServerStreamingCallable<ReadChangeStreamQuery, ChangeStreamRecord>
+      readChangeStreamCallable() {
+    return readChangeStreamCallable;
+  }
+
   UnaryCallable<PingAndWarmRequest, PingAndWarmResponse> pingAndWarmCallable() {
     return pingAndWarmCallable;
   }
diff --git a/google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/data/v2/stub/EnhancedBigtableStubSettings.java b/google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/data/v2/stub/EnhancedBigtableStubSettings.java
index c78bdafbf3..b6dd063cb6 100644
--- a/google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/data/v2/stub/EnhancedBigtableStubSettings.java
+++ b/google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/data/v2/stub/EnhancedBigtableStubSettings.java
@@ -34,9 +34,12 @@
 import com.google.auth.Credentials;
 import com.google.bigtable.v2.PingAndWarmRequest;
 import com.google.cloud.bigtable.Version;
+import com.google.cloud.bigtable.data.v2.models.ChangeStreamRecord;
 import com.google.cloud.bigtable.data.v2.models.ConditionalRowMutation;
 import com.google.cloud.bigtable.data.v2.models.KeyOffset;
 import com.google.cloud.bigtable.data.v2.models.Query;
+import com.google.cloud.bigtable.data.v2.models.Range.ByteStringRange;
+import com.google.cloud.bigtable.data.v2.models.ReadChangeStreamQuery;
 import com.google.cloud.bigtable.data.v2.models.ReadModifyWriteRow;
 import com.google.cloud.bigtable.data.v2.models.Row;
 import com.google.cloud.bigtable.data.v2.models.RowMutation;
@@ -140,6 +143,42 @@ public class EnhancedBigtableStubSettings extends StubSettings<EnhancedBigtableS
           .setTotalTimeout(Duration.ofMinutes(10))
           .build();
 
+  private static final Set<Code> GENERATE_INITIAL_CHANGE_STREAM_PARTITIONS_RETRY_CODES =
+      ImmutableSet.<Code>builder().addAll(IDEMPOTENT_RETRY_CODES).add(Code.ABORTED).build();
+
+  private static final RetrySettings GENERATE_INITIAL_CHANGE_STREAM_PARTITIONS_RETRY_SETTINGS =
+      RetrySettings.newBuilder()
+          .setInitialRetryDelay(Duration.ofMillis(10))
+          .setRetryDelayMultiplier(2.0)
+          .setMaxRetryDelay(Duration.ofMinutes(1))
+          .setMaxAttempts(10)
+          .setJittered(true)
+          .setInitialRpcTimeout(Duration.ofMinutes(1))
+          .setRpcTimeoutMultiplier(2.0)
+          .setMaxRpcTimeout(Duration.ofMinutes(10))
+          .setTotalTimeout(Duration.ofMinutes(60))
+          .build();
+
+  // Allow retrying ABORTED statuses. These will be returned by the server when the client is
+  // too slow to read the change stream records. This makes sense for the java client because
+  // retries happen after the mutation merging logic. Which means that the retry will not be
+  // invoked until the current buffered change stream mutations are consumed.
+  private static final Set<Code> READ_CHANGE_STREAM_RETRY_CODES =
+      ImmutableSet.<Code>builder().addAll(IDEMPOTENT_RETRY_CODES).add(Code.ABORTED).build();
+
+  private static final RetrySettings READ_CHANGE_STREAM_RETRY_SETTINGS =
+      RetrySettings.newBuilder()
+          .setInitialRetryDelay(Duration.ofMillis(10))
+          .setRetryDelayMultiplier(2.0)
+          .setMaxRetryDelay(Duration.ofMinutes(1))
+          .setMaxAttempts(10)
+          .setJittered(true)
+          .setInitialRpcTimeout(Duration.ofMinutes(5))
+          .setRpcTimeoutMultiplier(2.0)
+          .setMaxRpcTimeout(Duration.ofMinutes(5))
+          .setTotalTimeout(Duration.ofHours(12))
+          .build();
+
   /**
    * Scopes that are equivalent to JWT's audience.
    *
@@ -176,6 +215,10 @@ public class EnhancedBigtableStubSettings extends StubSettings<EnhancedBigtableS
   private final BigtableBulkReadRowsCallSettings bulkReadRowsSettings;
   private final UnaryCallSettings<ConditionalRowMutation, Boolean> checkAndMutateRowSettings;
   private final UnaryCallSettings<ReadModifyWriteRow, Row> readModifyWriteRowSettings;
+  private final ServerStreamingCallSettings<String, ByteStringRange>
+      generateInitialChangeStreamPartitionsSettings;
+  private final ServerStreamingCallSettings<ReadChangeStreamQuery, ChangeStreamRecord>
+      readChangeStreamSettings;
   private final UnaryCallSettings<PingAndWarmRequest, Void> pingAndWarmSettings;
 
   private EnhancedBigtableStubSettings(Builder builder) {
@@ -212,6 +255,9 @@ private EnhancedBigtableStubSettings(Builder builder) {
     bulkReadRowsSettings = builder.bulkReadRowsSettings.build();
     checkAndMutateRowSettings = builder.checkAndMutateRowSettings.build();
     readModifyWriteRowSettings = builder.readModifyWriteRowSettings.build();
+    generateInitialChangeStreamPartitionsSettings =
+        builder.generateInitialChangeStreamPartitionsSettings.build();
+    readChangeStreamSettings = builder.readChangeStreamSettings.build();
     pingAndWarmSettings = builder.pingAndWarmSettings.build();
   }
 
@@ -503,6 +549,16 @@ public UnaryCallSettings<ReadModifyWriteRow, Row> readModifyWriteRowSettings() {
     return readModifyWriteRowSettings;
   }
 
+  public ServerStreamingCallSettings<String, ByteStringRange>
+      generateInitialChangeStreamPartitionsSettings() {
+    return generateInitialChangeStreamPartitionsSettings;
+  }
+
+  public ServerStreamingCallSettings<ReadChangeStreamQuery, ChangeStreamRecord>
+      readChangeStreamSettings() {
+    return readChangeStreamSettings;
+  }
+
   /**
    * Returns the object with the settings used for calls to PingAndWarm.
    *
@@ -536,6 +592,10 @@ public static class Builder extends StubSettings.Builder<EnhancedBigtableStubSet
     private final UnaryCallSettings.Builder<ConditionalRowMutation, Boolean>
         checkAndMutateRowSettings;
     private final UnaryCallSettings.Builder<ReadModifyWriteRow, Row> readModifyWriteRowSettings;
+    private final ServerStreamingCallSettings.Builder<String, ByteStringRange>
+        generateInitialChangeStreamPartitionsSettings;
+    private final ServerStreamingCallSettings.Builder<ReadChangeStreamQuery, ChangeStreamRecord>
+        readChangeStreamSettings;
     private final UnaryCallSettings.Builder<PingAndWarmRequest, Void> pingAndWarmSettings;
 
     /**
@@ -649,6 +709,18 @@ private Builder() {
       readModifyWriteRowSettings = UnaryCallSettings.newUnaryCallSettingsBuilder();
       copyRetrySettings(baseDefaults.readModifyWriteRowSettings(), readModifyWriteRowSettings);
 
+      generateInitialChangeStreamPartitionsSettings = ServerStreamingCallSettings.newBuilder();
+      generateInitialChangeStreamPartitionsSettings
+          .setRetryableCodes(GENERATE_INITIAL_CHANGE_STREAM_PARTITIONS_RETRY_CODES)
+          .setRetrySettings(GENERATE_INITIAL_CHANGE_STREAM_PARTITIONS_RETRY_SETTINGS)
+          .setIdleTimeout(Duration.ofMinutes(5));
+
+      readChangeStreamSettings = ServerStreamingCallSettings.newBuilder();
+      readChangeStreamSettings
+          .setRetryableCodes(READ_CHANGE_STREAM_RETRY_CODES)
+          .setRetrySettings(READ_CHANGE_STREAM_RETRY_SETTINGS)
+          .setIdleTimeout(Duration.ofMinutes(5));
+
       pingAndWarmSettings = UnaryCallSettings.newUnaryCallSettingsBuilder();
       pingAndWarmSettings.setRetrySettings(
           RetrySettings.newBuilder()
@@ -677,6 +749,9 @@ private Builder(EnhancedBigtableStubSettings settings) {
       bulkReadRowsSettings = settings.bulkReadRowsSettings.toBuilder();
       checkAndMutateRowSettings = settings.checkAndMutateRowSettings.toBuilder();
       readModifyWriteRowSettings = settings.readModifyWriteRowSettings.toBuilder();
+      generateInitialChangeStreamPartitionsSettings =
+          settings.generateInitialChangeStreamPartitionsSettings.toBuilder();
+      readChangeStreamSettings = settings.readChangeStreamSettings.toBuilder();
       pingAndWarmSettings = settings.pingAndWarmSettings.toBuilder();
     }
     // <editor-fold desc="Private Helpers">
@@ -851,6 +926,20 @@ public UnaryCallSettings.Builder<ReadModifyWriteRow, Row> readModifyWriteRowSett
       return readModifyWriteRowSettings;
     }
 
+    /** Returns the builder for the settings used for calls to ReadChangeStream. */
+    public ServerStreamingCallSettings.Builder<ReadChangeStreamQuery, ChangeStreamRecord>
+        readChangeStreamSettings() {
+      return readChangeStreamSettings;
+    }
+
+    /**
+     * Returns the builder for the settings used for calls to GenerateInitialChangeStreamPartitions.
+     */
+    public ServerStreamingCallSettings.Builder<String, ByteStringRange>
+        generateInitialChangeStreamPartitionsSettings() {
+      return generateInitialChangeStreamPartitionsSettings;
+    }
+
     /** Returns the builder with the settings used for calls to PingAndWarm. */
     public UnaryCallSettings.Builder<PingAndWarmRequest, Void> pingAndWarmSettings() {
       return pingAndWarmSettings;
@@ -903,6 +992,10 @@ public String toString() {
         .add("bulkReadRowsSettings", bulkReadRowsSettings)
         .add("checkAndMutateRowSettings", checkAndMutateRowSettings)
         .add("readModifyWriteRowSettings", readModifyWriteRowSettings)
+        .add(
+            "generateInitialChangeStreamPartitionsSettings",
+            generateInitialChangeStreamPartitionsSettings)
+        .add("readChangeStreamSettings", readChangeStreamSettings)
         .add("pingAndWarmSettings", pingAndWarmSettings)
         .add("parent", super.toString())
         .toString();
diff --git a/google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/data/v2/stub/changestream/ChangeStreamRecordMerger.java b/google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/data/v2/stub/changestream/ChangeStreamRecordMerger.java
new file mode 100644
index 0000000000..30c6eb94b6
--- /dev/null
+++ b/google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/data/v2/stub/changestream/ChangeStreamRecordMerger.java
@@ -0,0 +1,118 @@
+/*
+ * Copyright 2022 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.google.cloud.bigtable.data.v2.stub.changestream;
+
+import com.google.api.core.InternalApi;
+import com.google.bigtable.v2.ReadChangeStreamResponse;
+import com.google.cloud.bigtable.data.v2.models.ChangeStreamRecordAdapter;
+import com.google.cloud.bigtable.gaxx.reframing.Reframer;
+import com.google.cloud.bigtable.gaxx.reframing.ReframingResponseObserver;
+import com.google.common.base.Preconditions;
+import java.util.ArrayDeque;
+import java.util.Queue;
+
+/**
+ * An implementation of a {@link Reframer} that feeds the change stream record merging {@link
+ * ChangeStreamStateMachine}.
+ *
+ * <p>{@link ReframingResponseObserver} pushes {@link ReadChangeStreamResponse}s into this class and
+ * pops a change stream record containing one of the following: 1) Heartbeat. 2) CloseStream. 3)
+ * ChangeStreamMutation(a representation of a fully merged logical mutation).
+ *
+ * <p>Example usage:
+ *
+ * <pre>{@code
+ * ChangeStreamRecordMerger<ChangeStreamRecord> changeStreamRecordMerger =
+ *     new ChangeStreamRecordMerger<>(myChangeStreamRecordAdaptor);
+ *
+ * while(responseIterator.hasNext()) {
+ *   ReadChangeStreamResponse response = responseIterator.next();
+ *
+ *   if (changeStreamRecordMerger.hasFullFrame()) {
+ *     ChangeStreamRecord changeStreamRecord = changeStreamRecordMerger.pop();
+ *     // Do something with change stream record.
+ *   } else {
+ *     changeStreamRecordMerger.push(response);
+ *   }
+ * }
+ *
+ * if (changeStreamRecordMerger.hasPartialFrame()) {
+ *   throw new RuntimeException("Incomplete stream");
+ * }
+ *
+ * }</pre>
+ *
+ * <p>This class is considered an internal implementation detail and not meant to be used by
+ * applications.
+ *
+ * <p>Package-private for internal use.
+ *
+ * @see ReframingResponseObserver for more details
+ */
+@InternalApi
+public class ChangeStreamRecordMerger<ChangeStreamRecordT>
+    implements Reframer<ChangeStreamRecordT, ReadChangeStreamResponse> {
+  private final ChangeStreamStateMachine<ChangeStreamRecordT> changeStreamStateMachine;
+  private final Queue<ChangeStreamRecordT> changeStreamRecord;
+
+  public ChangeStreamRecordMerger(
+      ChangeStreamRecordAdapter.ChangeStreamRecordBuilder<ChangeStreamRecordT>
+          changeStreamRecordBuilder) {
+    changeStreamStateMachine = new ChangeStreamStateMachine<>(changeStreamRecordBuilder);
+    changeStreamRecord = new ArrayDeque<>();
+  }
+
+  @Override
+  public void push(ReadChangeStreamResponse response) {
+    switch (response.getStreamRecordCase()) {
+      case HEARTBEAT:
+        changeStreamStateMachine.handleHeartbeat(response.getHeartbeat());
+        break;
+      case CLOSE_STREAM:
+        changeStreamStateMachine.handleCloseStream(response.getCloseStream());
+        break;
+      case DATA_CHANGE:
+        changeStreamStateMachine.handleDataChange(response.getDataChange());
+        break;
+      case STREAMRECORD_NOT_SET:
+        throw new IllegalStateException("Illegal stream record.");
+    }
+    if (changeStreamStateMachine.hasCompleteChangeStreamRecord()) {
+      changeStreamRecord.add(changeStreamStateMachine.consumeChangeStreamRecord());
+    }
+  }
+
+  @Override
+  public boolean hasFullFrame() {
+    return !changeStreamRecord.isEmpty();
+  }
+
+  @Override
+  public boolean hasPartialFrame() {
+    // Check if buffer in this class contains data. If an assembled is still not available, then
+    // that means `buffer` has been fully consumed. The last place to check is the
+    // ChangeStreamStateMachine buffer, to see if it's holding on to an incomplete change
+    // stream record.
+    return hasFullFrame() || changeStreamStateMachine.isChangeStreamRecordInProgress();
+  }
+
+  @Override
+  public ChangeStreamRecordT pop() {
+    return Preconditions.checkNotNull(
+        changeStreamRecord.poll(),
+        "ChangeStreamRecordMerger.pop() called when there are no change stream records.");
+  }
+}
diff --git a/google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/data/v2/stub/changestream/ChangeStreamRecordMergingCallable.java b/google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/data/v2/stub/changestream/ChangeStreamRecordMergingCallable.java
new file mode 100644
index 0000000000..5c6c07451b
--- /dev/null
+++ b/google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/data/v2/stub/changestream/ChangeStreamRecordMergingCallable.java
@@ -0,0 +1,63 @@
+/*
+ * Copyright 2022 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.google.cloud.bigtable.data.v2.stub.changestream;
+
+import com.google.api.core.InternalApi;
+import com.google.api.gax.rpc.ApiCallContext;
+import com.google.api.gax.rpc.ResponseObserver;
+import com.google.api.gax.rpc.ServerStreamingCallable;
+import com.google.bigtable.v2.ReadChangeStreamRequest;
+import com.google.bigtable.v2.ReadChangeStreamResponse;
+import com.google.cloud.bigtable.data.v2.models.ChangeStreamRecordAdapter;
+import com.google.cloud.bigtable.gaxx.reframing.ReframingResponseObserver;
+
+/**
+ * A ServerStreamingCallable that consumes {@link ReadChangeStreamResponse}s and produces change
+ * stream records.
+ *
+ * <p>This class delegates all the work to gax's {@link ReframingResponseObserver} and the logic to
+ * {@link ChangeStreamRecordMerger}.
+ *
+ * <p>This class is considered an internal implementation detail and not meant to be used by
+ * applications.
+ */
+@InternalApi
+public class ChangeStreamRecordMergingCallable<ChangeStreamRecordT>
+    extends ServerStreamingCallable<ReadChangeStreamRequest, ChangeStreamRecordT> {
+  private final ServerStreamingCallable<ReadChangeStreamRequest, ReadChangeStreamResponse> inner;
+  private final ChangeStreamRecordAdapter<ChangeStreamRecordT> changeStreamRecordAdapter;
+
+  public ChangeStreamRecordMergingCallable(
+      ServerStreamingCallable<ReadChangeStreamRequest, ReadChangeStreamResponse> inner,
+      ChangeStreamRecordAdapter<ChangeStreamRecordT> changeStreamRecordAdapter) {
+    this.inner = inner;
+    this.changeStreamRecordAdapter = changeStreamRecordAdapter;
+  }
+
+  @Override
+  public void call(
+      ReadChangeStreamRequest request,
+      ResponseObserver<ChangeStreamRecordT> responseObserver,
+      ApiCallContext context) {
+    ChangeStreamRecordAdapter.ChangeStreamRecordBuilder<ChangeStreamRecordT>
+        changeStreamRecordBuilder = changeStreamRecordAdapter.createChangeStreamRecordBuilder();
+    ChangeStreamRecordMerger<ChangeStreamRecordT> merger =
+        new ChangeStreamRecordMerger<>(changeStreamRecordBuilder);
+    ReframingResponseObserver<ReadChangeStreamResponse, ChangeStreamRecordT> innerObserver =
+        new ReframingResponseObserver<>(responseObserver, merger);
+    inner.call(request, innerObserver, context);
+  }
+}
diff --git a/google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/data/v2/stub/changestream/ChangeStreamStateMachine.java b/google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/data/v2/stub/changestream/ChangeStreamStateMachine.java
new file mode 100644
index 0000000000..5190276368
--- /dev/null
+++ b/google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/data/v2/stub/changestream/ChangeStreamStateMachine.java
@@ -0,0 +1,629 @@
+/*
+ * Copyright 2022 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.google.cloud.bigtable.data.v2.stub.changestream;
+
+import com.google.bigtable.v2.Mutation;
+import com.google.bigtable.v2.ReadChangeStreamResponse;
+import com.google.bigtable.v2.ReadChangeStreamResponse.DataChange.Type;
+import com.google.cloud.bigtable.data.v2.models.ChangeStreamRecordAdapter.ChangeStreamRecordBuilder;
+import com.google.cloud.bigtable.data.v2.models.Range.TimestampRange;
+import com.google.common.base.Preconditions;
+import com.google.protobuf.util.Timestamps;
+
+/**
+ * A state machine to produce change stream records from a stream of {@link
+ * ReadChangeStreamResponse}. A change stream record can be a Heartbeat, a CloseStream or a
+ * ChangeStreamMutation.
+ *
+ * <p>There could be two types of chunking for a ChangeStreamMutation:
+ *
+ * <ul>
+ *   <li>Non-SetCell chunking. For example, a ChangeStreamMutation has two mods, DeleteFamily and
+ *       DeleteColumn. DeleteFamily is sent in the first {@link ReadChangeStreamResponse} and
+ *       DeleteColumn is sent in the second {@link ReadChangeStreamResponse}.
+ *   <li>{@link ReadChangeStreamResponse.MutationChunk} has a chunked {@link
+ *       com.google.bigtable.v2.Mutation.SetCell} mutation. For example, a logical mutation has one
+ *       big {@link Mutation.SetCell} mutation which is chunked into two {@link
+ *       ReadChangeStreamResponse}s. The first {@link ReadChangeStreamResponse.DataChange} has the
+ *       first half of the cell value, and the second {@link ReadChangeStreamResponse.DataChange}
+ *       has the second half.
+ * </ul>
+ *
+ * This state machine handles both types of chunking.
+ *
+ * <p>Building of the actual change stream record object is delegated to a {@link
+ * ChangeStreamRecordBuilder}. This class is not thread safe.
+ *
+ * <p>The inputs are:
+ *
+ * <ul>
+ *   <li>{@link ReadChangeStreamResponse.Heartbeat}s.
+ *   <li>{@link ReadChangeStreamResponse.CloseStream}s.
+ *   <li>{@link ReadChangeStreamResponse.DataChange}s, that must be merged to a
+ *       ChangeStreamMutation.
+ *   <li>ChangeStreamRecord consumption events that reset the state machine for the next change
+ *       stream record.
+ * </ul>
+ *
+ * <p>The outputs are:
+ *
+ * <ul>
+ *   <li>Heartbeat records.
+ *   <li>CloseStream records.
+ *   <li>ChangeStreamMutation records.
+ * </ul>
+ *
+ * <p>Expected Usage:
+ *
+ * <pre>{@code
+ * ChangeStreamStateMachine changeStreamStateMachine = new ChangeStreamStateMachine<>(myChangeStreamRecordAdapter);
+ * while(responseIterator.hasNext()) {
+ *   ReadChangeStreamResponse response = responseIterator.next();
+ *   switch (response.getStreamRecordCase()) {
+ *     case HEARTBEAT:
+ *       changeStreamStateMachine.handleHeartbeat(response.getHeartbeat());
+ *       break;
+ *     case CLOSE_STREAM:
+ *       changeStreamStateMachine.handleCloseStream(response.getCloseStream());
+ *       break;
+ *     case DATA_CHANGE:
+ *       changeStreamStateMachine.handleDataChange(response.getDataChange());
+ *       break;
+ *     case STREAMRECORD_NOT_SET:
+ *       throw new IllegalStateException("Illegal stream record.");
+ *   }
+ *   if (changeStreamStateMachine.hasCompleteChangeStreamRecord()) {
+ *       MyChangeStreamRecord = changeStreamStateMachine.consumeChangeStreamRecord();
+ *       // do something with the change stream record.
+ *   }
+ * }
+ * }</pre>
+ *
+ * <p>Package-private for internal use.
+ *
+ * @param <ChangeStreamRecordT> The type of row the adapter will build
+ */
+final class ChangeStreamStateMachine<ChangeStreamRecordT> {
+  private final ChangeStreamRecordBuilder<ChangeStreamRecordT> builder;
+  private State currentState;
+  // debug stats
+  private int numHeartbeats = 0;
+  private int numCloseStreams = 0;
+  private int numDataChanges = 0;
+  private int numNonCellMods = 0;
+  private int numCellChunks = 0; // 1 for non-chunked cell.
+  /**
+   * Expected total size of a chunked SetCell value, given by the {@link
+   * ReadChangeStreamResponse.MutationChunk.ChunkInfo}. This value should be the same for all chunks
+   * of a SetCell.
+   */
+  private int expectedTotalSizeOfChunkedSetCell = 0;
+
+  private int actualTotalSizeOfChunkedSetCell = 0;
+  private ChangeStreamRecordT completeChangeStreamRecord;
+
+  /**
+   * Initialize a new state machine that's ready for a new change stream record.
+   *
+   * @param builder The builder that will build the final change stream record.
+   */
+  ChangeStreamStateMachine(ChangeStreamRecordBuilder<ChangeStreamRecordT> builder) {
+    this.builder = builder;
+    reset();
+  }
+
+  /**
+   * Handle heartbeat events from the server.
+   *
+   * <dl>
+   *   <dt>Valid states:
+   *   <dd>{@link ChangeStreamStateMachine#AWAITING_NEW_STREAM_RECORD}
+   *   <dt>Resulting states:
+   *   <dd>{@link ChangeStreamStateMachine#AWAITING_STREAM_RECORD_CONSUME}
+   * </dl>
+   */
+  void handleHeartbeat(ReadChangeStreamResponse.Heartbeat heartbeat) {
+    try {
+      numHeartbeats++;
+      currentState = currentState.handleHeartbeat(heartbeat);
+    } catch (RuntimeException e) {
+      currentState = ERROR;
+      throw e;
+    }
+  }
+
+  /**
+   * Handle CloseStream events from the server.
+   *
+   * <dl>
+   *   <dt>Valid states:
+   *   <dd>{@link ChangeStreamStateMachine#AWAITING_NEW_STREAM_RECORD}
+   *   <dt>Resulting states:
+   *   <dd>{@link ChangeStreamStateMachine#AWAITING_STREAM_RECORD_CONSUME}
+   * </dl>
+   */
+  void handleCloseStream(ReadChangeStreamResponse.CloseStream closeStream) {
+    try {
+      numCloseStreams++;
+      currentState = currentState.handleCloseStream(closeStream);
+    } catch (RuntimeException e) {
+      currentState = ERROR;
+      throw e;
+    }
+  }
+
+  /**
+   * Feeds a new dataChange into the state machine. If the dataChange is invalid, the state machine
+   * will throw an exception and should not be used for further input.
+   *
+   * <dl>
+   *   <dt>Valid states:
+   *   <dd>{@link ChangeStreamStateMachine#AWAITING_NEW_STREAM_RECORD}
+   *   <dd>{@link ChangeStreamStateMachine#AWAITING_NEW_MOD}
+   *   <dd>{@link ChangeStreamStateMachine#AWAITING_CELL_VALUE}
+   *   <dt>Resulting states:
+   *   <dd>{@link ChangeStreamStateMachine#AWAITING_NEW_MOD}
+   *   <dd>{@link ChangeStreamStateMachine#AWAITING_CELL_VALUE}
+   *   <dd>{@link ChangeStreamStateMachine#AWAITING_STREAM_RECORD_CONSUME}
+   * </dl>
+   *
+   * @param dataChange The new chunk to process.
+   * @throws ChangeStreamStateMachine.InvalidInputException When the chunk is not applicable to the
+   *     current state.
+   * @throws IllegalStateException When the internal state is inconsistent
+   */
+  void handleDataChange(ReadChangeStreamResponse.DataChange dataChange) {
+    try {
+      numDataChanges++;
+      currentState = currentState.handleMod(dataChange, 0);
+    } catch (RuntimeException e) {
+      currentState = ERROR;
+      throw e;
+    }
+  }
+
+  /**
+   * Returns the completed change stream record and transitions to {@link
+   * ChangeStreamStateMachine#AWAITING_NEW_STREAM_RECORD}.
+   *
+   * @return The completed change stream record.
+   * @throws IllegalStateException If the last dataChange did not complete a change stream record.
+   */
+  ChangeStreamRecordT consumeChangeStreamRecord() {
+    Preconditions.checkState(
+        completeChangeStreamRecord != null, "No change stream record to consume.");
+    Preconditions.checkState(
+        currentState == AWAITING_STREAM_RECORD_CONSUME,
+        "Change stream record is not ready to consume: " + currentState);
+    ChangeStreamRecordT changeStreamRecord = completeChangeStreamRecord;
+    reset();
+    return changeStreamRecord;
+  }
+
+  /** Checks if there is a complete change stream record to be consumed. */
+  boolean hasCompleteChangeStreamRecord() {
+    return completeChangeStreamRecord != null && currentState == AWAITING_STREAM_RECORD_CONSUME;
+  }
+  /**
+   * Checks if the state machine is in the middle of processing a change stream record.
+   *
+   * @return True If there is a change stream record in progress.
+   */
+  boolean isChangeStreamRecordInProgress() {
+    return currentState != AWAITING_NEW_STREAM_RECORD;
+  }
+
+  private void reset() {
+    currentState = AWAITING_NEW_STREAM_RECORD;
+    numHeartbeats = 0;
+    numCloseStreams = 0;
+    numDataChanges = 0;
+    numNonCellMods = 0;
+    numCellChunks = 0;
+    expectedTotalSizeOfChunkedSetCell = 0;
+    actualTotalSizeOfChunkedSetCell = 0;
+    completeChangeStreamRecord = null;
+
+    builder.reset();
+  }
+
+  /**
+   * Base class for all the state machine's internal states.
+   *
+   * <p>Each state can consume 3 events: Heartbeat, CloseStream and a Mod. By default, the default
+   * implementation will just throw an IllegalStateException unless the subclass adds explicit
+   * handling for these events.
+   */
+  abstract static class State {
+    /**
+     * Accepts a Heartbeat by the server. And completes the current change stream record.
+     *
+     * @throws IllegalStateException If the subclass can't handle heartbeat events.
+     */
+    ChangeStreamStateMachine.State handleHeartbeat(ReadChangeStreamResponse.Heartbeat heartbeat) {
+      throw new IllegalStateException();
+    }
+
+    /**
+     * Accepts a CloseStream by the server. And completes the current change stream record.
+     *
+     * @throws IllegalStateException If the subclass can't handle CloseStream events.
+     */
+    ChangeStreamStateMachine.State handleCloseStream(
+        ReadChangeStreamResponse.CloseStream closeStream) {
+      throw new IllegalStateException();
+    }
+
+    /**
+     * Accepts a new mod and transitions to the next state. A mod could be a DeleteFamily, a
+     * DeleteColumn, or a SetCell.
+     *
+     * @param dataChange The DataChange that holds the new mod to process.
+     * @param index The index of the mod in the DataChange.
+     * @return The next state.
+     * @throws IllegalStateException If the subclass can't handle the mod.
+     * @throws ChangeStreamStateMachine.InvalidInputException If the subclass determines that this
+     *     dataChange is invalid.
+     */
+    ChangeStreamStateMachine.State handleMod(
+        ReadChangeStreamResponse.DataChange dataChange, int index) {
+      throw new IllegalStateException();
+    }
+  }
+
+  /**
+   * The default state when the state machine is awaiting a ReadChangeStream response to start a new
+   * change stream record. It will notify the builder of the new change stream record and transits
+   * to one of the following states:
+   *
+   * <dl>
+   *   <dd>{@link ChangeStreamStateMachine#AWAITING_STREAM_RECORD_CONSUME}, in case of a Heartbeat
+   *       or a CloseStream.
+   *   <dd>Same as {@link ChangeStreamStateMachine#AWAITING_NEW_MOD}, depending on the DataChange.
+   * </dl>
+   */
+  private final State AWAITING_NEW_STREAM_RECORD =
+      new State() {
+        @Override
+        State handleHeartbeat(ReadChangeStreamResponse.Heartbeat heartbeat) {
+          validate(
+              completeChangeStreamRecord == null,
+              "AWAITING_NEW_STREAM_RECORD: Existing ChangeStreamRecord not consumed yet.");
+          completeChangeStreamRecord = builder.onHeartbeat(heartbeat);
+          return AWAITING_STREAM_RECORD_CONSUME;
+        }
+
+        @Override
+        State handleCloseStream(ReadChangeStreamResponse.CloseStream closeStream) {
+          validate(
+              completeChangeStreamRecord == null,
+              "AWAITING_NEW_STREAM_RECORD: Existing ChangeStreamRecord not consumed yet.");
+          completeChangeStreamRecord = builder.onCloseStream(closeStream);
+          return AWAITING_STREAM_RECORD_CONSUME;
+        }
+
+        @Override
+        State handleMod(ReadChangeStreamResponse.DataChange dataChange, int index) {
+          validate(
+              completeChangeStreamRecord == null,
+              "AWAITING_NEW_STREAM_RECORD: Existing ChangeStreamRecord not consumed yet.");
+          validate(
+              !dataChange.getRowKey().isEmpty(),
+              "AWAITING_NEW_STREAM_RECORD: First data change missing rowKey.");
+          validate(
+              dataChange.hasCommitTimestamp(),
+              "AWAITING_NEW_STREAM_RECORD: First data change missing commit timestamp.");
+          validate(
+              index == 0,
+              "AWAITING_NEW_STREAM_RECORD: First data change should start with the first mod.");
+          validate(
+              dataChange.getChunksCount() > 0,
+              "AWAITING_NEW_STREAM_RECORD: First data change missing mods.");
+          if (dataChange.getType() == Type.GARBAGE_COLLECTION) {
+            validate(
+                dataChange.getSourceClusterId().isEmpty(),
+                "AWAITING_NEW_STREAM_RECORD: GC mutation shouldn't have source cluster id.");
+            builder.startGcMutation(
+                dataChange.getRowKey(),
+                Timestamps.toNanos(dataChange.getCommitTimestamp()),
+                dataChange.getTiebreaker());
+          } else if (dataChange.getType() == Type.USER) {
+            validate(
+                !dataChange.getSourceClusterId().isEmpty(),
+                "AWAITING_NEW_STREAM_RECORD: User initiated data change missing source cluster id.");
+            builder.startUserMutation(
+                dataChange.getRowKey(),
+                dataChange.getSourceClusterId(),
+                Timestamps.toNanos(dataChange.getCommitTimestamp()),
+                dataChange.getTiebreaker());
+          } else {
+            validate(false, "AWAITING_NEW_STREAM_RECORD: Unexpected type: " + dataChange.getType());
+          }
+          return AWAITING_NEW_MOD.handleMod(dataChange, index);
+        }
+      };
+
+  /**
+   * A state to handle the next Mod.
+   *
+   * <dl>
+   *   <dt>Valid exit states:
+   *   <dd>{@link ChangeStreamStateMachine#AWAITING_NEW_MOD}. Current mod is added, and we have more
+   *       mods to expect.
+   *   <dd>{@link ChangeStreamStateMachine#AWAITING_CELL_VALUE}. Current mod is the first chunk of a
+   *       chunked SetCell.
+   *   <dd>{@link ChangeStreamStateMachine#AWAITING_STREAM_RECORD_CONSUME}. Current mod is the last
+   *       mod of the current logical mutation.
+   * </dl>
+   */
+  private final State AWAITING_NEW_MOD =
+      new State() {
+        @Override
+        State handleHeartbeat(ReadChangeStreamResponse.Heartbeat heartbeat) {
+          throw new IllegalStateException(
+              "AWAITING_NEW_MOD: Can't handle a Heartbeat in the middle of building a ChangeStreamMutation.");
+        }
+
+        @Override
+        State handleCloseStream(ReadChangeStreamResponse.CloseStream closeStream) {
+          throw new IllegalStateException(
+              "AWAITING_NEW_MOD: Can't handle a CloseStream in the middle of building a ChangeStreamMutation.");
+        }
+
+        @Override
+        State handleMod(ReadChangeStreamResponse.DataChange dataChange, int index) {
+          validate(
+              0 <= index && index <= dataChange.getChunksCount() - 1,
+              "AWAITING_NEW_MOD: Index out of bound.");
+          ReadChangeStreamResponse.MutationChunk chunk = dataChange.getChunks(index);
+          Mutation mod = chunk.getMutation();
+          // Case 1: SetCell
+          if (mod.hasSetCell()) {
+            // Start the Cell and delegate to AWAITING_CELL_VALUE to add the cell value.
+            Mutation.SetCell setCell = chunk.getMutation().getSetCell();
+            if (chunk.hasChunkInfo()) {
+              // If it has chunk info, it must be the first chunk of a chunked SetCell.
+              validate(
+                  chunk.getChunkInfo().getChunkedValueOffset() == 0,
+                  "AWAITING_NEW_MOD: First chunk of a chunked cell must start with offset==0.");
+              validate(
+                  chunk.getChunkInfo().getChunkedValueSize() > 0,
+                  "AWAITING_NEW_MOD: First chunk of a chunked cell must have a positive chunked value size.");
+              expectedTotalSizeOfChunkedSetCell = chunk.getChunkInfo().getChunkedValueSize();
+              actualTotalSizeOfChunkedSetCell = 0;
+            }
+            builder.startCell(
+                setCell.getFamilyName(),
+                setCell.getColumnQualifier(),
+                setCell.getTimestampMicros());
+            return AWAITING_CELL_VALUE.handleMod(dataChange, index);
+          }
+          // Case 2: DeleteFamily
+          if (mod.hasDeleteFromFamily()) {
+            numNonCellMods++;
+            builder.deleteFamily(mod.getDeleteFromFamily().getFamilyName());
+            return checkAndFinishMutationIfNeeded(dataChange, index + 1);
+          }
+          // Case 3: DeleteCell
+          if (mod.hasDeleteFromColumn()) {
+            numNonCellMods++;
+            builder.deleteCells(
+                mod.getDeleteFromColumn().getFamilyName(),
+                mod.getDeleteFromColumn().getColumnQualifier(),
+                TimestampRange.create(
+                    mod.getDeleteFromColumn().getTimeRange().getStartTimestampMicros(),
+                    mod.getDeleteFromColumn().getTimeRange().getEndTimestampMicros()));
+            return checkAndFinishMutationIfNeeded(dataChange, index + 1);
+          }
+          throw new IllegalStateException("AWAITING_NEW_MOD: Unexpected mod type");
+        }
+      };
+
+  /**
+   * A state that represents a cell's value continuation.
+   *
+   * <dl>
+   *   <dt>Valid exit states:
+   *   <dd>{@link ChangeStreamStateMachine#AWAITING_NEW_MOD}. Current chunked SetCell is added, and
+   *       we have more mods to expect.
+   *   <dd>{@link ChangeStreamStateMachine#AWAITING_CELL_VALUE}. Current chunked SetCell has more
+   *       cell values to expect.
+   *   <dd>{@link ChangeStreamStateMachine#AWAITING_STREAM_RECORD_CONSUME}. Current chunked SetCell
+   *       is the last mod of the current logical mutation.
+   * </dl>
+   */
+  private final State AWAITING_CELL_VALUE =
+      new State() {
+        @Override
+        State handleHeartbeat(ReadChangeStreamResponse.Heartbeat heartbeat) {
+          throw new IllegalStateException(
+              "AWAITING_CELL_VALUE: Can't handle a Heartbeat in the middle of building a SetCell.");
+        }
+
+        @Override
+        State handleCloseStream(ReadChangeStreamResponse.CloseStream closeStream) {
+          throw new IllegalStateException(
+              "AWAITING_CELL_VALUE: Can't handle a CloseStream in the middle of building a SetCell.");
+        }
+
+        @Override
+        State handleMod(ReadChangeStreamResponse.DataChange dataChange, int index) {
+          validate(
+              0 <= index && index <= dataChange.getChunksCount() - 1,
+              "AWAITING_CELL_VALUE: Index out of bound.");
+          ReadChangeStreamResponse.MutationChunk chunk = dataChange.getChunks(index);
+          validate(
+              chunk.getMutation().hasSetCell(),
+              "AWAITING_CELL_VALUE: Current mod is not a SetCell.");
+          Mutation.SetCell setCell = chunk.getMutation().getSetCell();
+          numCellChunks++;
+          builder.cellValue(setCell.getValue());
+          // Case 1: Current SetCell is chunked. For example: [ReadChangeStreamResponse1:
+          // {DeleteColumn, DeleteFamily, SetCell_1}, ReadChangeStreamResponse2: {SetCell_2,
+          // DeleteFamily}].
+          if (chunk.hasChunkInfo()) {
+            validate(
+                chunk.getChunkInfo().getChunkedValueSize() > 0,
+                "AWAITING_CELL_VALUE: Chunked value size must be positive.");
+            validate(
+                chunk.getChunkInfo().getChunkedValueSize() == expectedTotalSizeOfChunkedSetCell,
+                "AWAITING_CELL_VALUE: Chunked value size must be the same for all chunks.");
+            actualTotalSizeOfChunkedSetCell += setCell.getValue().size();
+            // If it's the last chunk of the chunked SetCell, finish the cell.
+            if (chunk.getChunkInfo().getLastChunk()) {
+              builder.finishCell();
+              validate(
+                  actualTotalSizeOfChunkedSetCell == expectedTotalSizeOfChunkedSetCell,
+                  "Chunked value size in ChunkInfo doesn't match the actual total size. "
+                      + "Expected total size: "
+                      + expectedTotalSizeOfChunkedSetCell
+                      + "; actual total size: "
+                      + actualTotalSizeOfChunkedSetCell);
+              return checkAndFinishMutationIfNeeded(dataChange, index + 1);
+            } else {
+              // If this is not the last chunk of a chunked SetCell, then this must be the last mod
+              // of the current response, and we're expecting the rest of the chunked cells in the
+              // following ReadChangeStream response.
+              validate(
+                  index == dataChange.getChunksCount() - 1,
+                  "AWAITING_CELL_VALUE: Current mod is a chunked SetCell "
+                      + "but not the last chunk, but it's not the last mod of the current response.");
+              return AWAITING_CELL_VALUE;
+            }
+          }
+          // Case 2: Current SetCell is not chunked.
+          builder.finishCell();
+          return checkAndFinishMutationIfNeeded(dataChange, index + 1);
+        }
+      };
+
+  /**
+   * A state that represents a completed change stream record. It prevents new change stream records
+   * from being read until the current one has been consumed. The caller is supposed to consume the
+   * change stream record by calling {@link ChangeStreamStateMachine#consumeChangeStreamRecord()}
+   * which will reset the state to {@link ChangeStreamStateMachine#AWAITING_NEW_STREAM_RECORD}.
+   */
+  private final State AWAITING_STREAM_RECORD_CONSUME =
+      new State() {
+        @Override
+        State handleHeartbeat(ReadChangeStreamResponse.Heartbeat heartbeat) {
+          throw new IllegalStateException(
+              "AWAITING_STREAM_RECORD_CONSUME: Skipping completed change stream record.");
+        }
+
+        @Override
+        State handleCloseStream(ReadChangeStreamResponse.CloseStream closeStream) {
+          throw new IllegalStateException(
+              "AWAITING_STREAM_RECORD_CONSUME: Skipping completed change stream record.");
+        }
+
+        @Override
+        State handleMod(ReadChangeStreamResponse.DataChange dataChange, int index) {
+          throw new IllegalStateException(
+              "AWAITING_STREAM_RECORD_CONSUME: Skipping completed change stream record.");
+        }
+      };
+
+  /**
+   * A state that represents a broken state of the state machine. Any method called on this state
+   * will get an exception.
+   */
+  private final State ERROR =
+      new State() {
+        @Override
+        State handleHeartbeat(ReadChangeStreamResponse.Heartbeat heartbeat) {
+          throw new IllegalStateException("ERROR: Failed to handle Heartbeat.");
+        }
+
+        @Override
+        State handleCloseStream(ReadChangeStreamResponse.CloseStream closeStream) {
+          throw new IllegalStateException("ERROR: Failed to handle CloseStream.");
+        }
+
+        @Override
+        State handleMod(ReadChangeStreamResponse.DataChange dataChange, int index) {
+          throw new IllegalStateException("ERROR: Failed to handle DataChange.");
+        }
+      };
+
+  /**
+   * Check if we should continue handling mods in the current DataChange or wrap up. There are 3
+   * cases:
+   *
+   * <ul>
+   *   <li>1) index < dataChange.getChunksCount() -> continue to handle the next mod.
+   *   <li>2_1) index == dataChange.getChunksCount() && dataChange.done == true -> current change
+   *       stream mutation is complete. Wrap it up and return {@link
+   *       ChangeStreamStateMachine#AWAITING_STREAM_RECORD_CONSUME}.
+   *   <li>2_2) index == dataChange.getChunksCount() && dataChange.done != true -> current change
+   *       stream mutation isn't complete. Return {@link ChangeStreamStateMachine#AWAITING_NEW_MOD}
+   *       to wait for more mods in the next ReadChangeStreamResponse.
+   * </ul>
+   */
+  private State checkAndFinishMutationIfNeeded(
+      ReadChangeStreamResponse.DataChange dataChange, int index) {
+    validate(
+        0 <= index && index <= dataChange.getChunksCount(),
+        "checkAndFinishMutationIfNeeded: index out of bound.");
+    // Case 1): Handle the next mod.
+    if (index < dataChange.getChunksCount()) {
+      return AWAITING_NEW_MOD.handleMod(dataChange, index);
+    }
+    // If we reach here, it means that all the mods in this DataChange have been handled. We should
+    // finish up the logical mutation or wait for more mods in the next ReadChangeStreamResponse,
+    // depending on whether the current response is the last response for the logical mutation.
+    if (dataChange.getDone()) {
+      // Case 2_1): Current change stream mutation is complete.
+      validate(!dataChange.getToken().isEmpty(), "Last data change missing token");
+      validate(dataChange.hasEstimatedLowWatermark(), "Last data change missing lowWatermark");
+      completeChangeStreamRecord =
+          builder.finishChangeStreamMutation(
+              dataChange.getToken(), Timestamps.toNanos(dataChange.getEstimatedLowWatermark()));
+      return AWAITING_STREAM_RECORD_CONSUME;
+    }
+    // Case 2_2): The current DataChange itself is chunked, so wait for the next
+    // ReadChangeStreamResponse. Note that we should wait for the new mods instead
+    // of for the new change stream record since the current record hasn't finished yet.
+    return AWAITING_NEW_MOD;
+  }
+
+  private void validate(boolean condition, String message) {
+    if (!condition) {
+      throw new ChangeStreamStateMachine.InvalidInputException(
+          message
+              + ". numHeartbeats: "
+              + numHeartbeats
+              + ", numCloseStreams: "
+              + numCloseStreams
+              + ", numDataChanges: "
+              + numDataChanges
+              + ", numNonCellMods: "
+              + numNonCellMods
+              + ", numCellChunks: "
+              + numCellChunks
+              + ", expectedTotalSizeOfChunkedSetCell: "
+              + expectedTotalSizeOfChunkedSetCell
+              + ", actualTotalSizeOfChunkedSetCell: "
+              + actualTotalSizeOfChunkedSetCell);
+    }
+  }
+
+  static class InvalidInputException extends RuntimeException {
+    InvalidInputException(String message) {
+      super(message);
+    }
+  }
+}
diff --git a/google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/data/v2/stub/changestream/GenerateInitialChangeStreamPartitionsUserCallable.java b/google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/data/v2/stub/changestream/GenerateInitialChangeStreamPartitionsUserCallable.java
new file mode 100644
index 0000000000..ce07018c52
--- /dev/null
+++ b/google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/data/v2/stub/changestream/GenerateInitialChangeStreamPartitionsUserCallable.java
@@ -0,0 +1,98 @@
+/*
+ * Copyright 2018 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.google.cloud.bigtable.data.v2.stub.changestream;
+
+import com.google.api.gax.rpc.ApiCallContext;
+import com.google.api.gax.rpc.ResponseObserver;
+import com.google.api.gax.rpc.ServerStreamingCallable;
+import com.google.api.gax.rpc.StreamController;
+import com.google.bigtable.v2.GenerateInitialChangeStreamPartitionsRequest;
+import com.google.bigtable.v2.GenerateInitialChangeStreamPartitionsResponse;
+import com.google.cloud.bigtable.data.v2.internal.NameUtil;
+import com.google.cloud.bigtable.data.v2.internal.RequestContext;
+import com.google.cloud.bigtable.data.v2.models.Range.ByteStringRange;
+
+/**
+ * Simple wrapper for GenerateInitialChangeStreamPartitions to wrap the request and response
+ * protobufs.
+ */
+public class GenerateInitialChangeStreamPartitionsUserCallable
+    extends ServerStreamingCallable<String, ByteStringRange> {
+  private final RequestContext requestContext;
+  private final ServerStreamingCallable<
+          GenerateInitialChangeStreamPartitionsRequest,
+          GenerateInitialChangeStreamPartitionsResponse>
+      inner;
+
+  public GenerateInitialChangeStreamPartitionsUserCallable(
+      ServerStreamingCallable<
+              GenerateInitialChangeStreamPartitionsRequest,
+              GenerateInitialChangeStreamPartitionsResponse>
+          inner,
+      RequestContext requestContext) {
+    this.requestContext = requestContext;
+    this.inner = inner;
+  }
+
+  @Override
+  public void call(
+      String tableId, ResponseObserver<ByteStringRange> responseObserver, ApiCallContext context) {
+    String tableName =
+        NameUtil.formatTableName(
+            requestContext.getProjectId(), requestContext.getInstanceId(), tableId);
+    GenerateInitialChangeStreamPartitionsRequest request =
+        GenerateInitialChangeStreamPartitionsRequest.newBuilder()
+            .setTableName(tableName)
+            .setAppProfileId(requestContext.getAppProfileId())
+            .build();
+
+    inner.call(request, new ConvertPartitionToRangeObserver(responseObserver), context);
+  }
+
+  private static class ConvertPartitionToRangeObserver
+      implements ResponseObserver<GenerateInitialChangeStreamPartitionsResponse> {
+
+    private final ResponseObserver<ByteStringRange> outerObserver;
+
+    ConvertPartitionToRangeObserver(ResponseObserver<ByteStringRange> observer) {
+      this.outerObserver = observer;
+    }
+
+    @Override
+    public void onStart(final StreamController controller) {
+      outerObserver.onStart(controller);
+    }
+
+    @Override
+    public void onResponse(GenerateInitialChangeStreamPartitionsResponse response) {
+      ByteStringRange byteStringRange =
+          ByteStringRange.create(
+              response.getPartition().getRowRange().getStartKeyClosed(),
+              response.getPartition().getRowRange().getEndKeyOpen());
+      outerObserver.onResponse(byteStringRange);
+    }
+
+    @Override
+    public void onError(Throwable t) {
+      outerObserver.onError(t);
+    }
+
+    @Override
+    public void onComplete() {
+      outerObserver.onComplete();
+    }
+  }
+}
diff --git a/google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/data/v2/stub/changestream/ReadChangeStreamResumptionStrategy.java b/google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/data/v2/stub/changestream/ReadChangeStreamResumptionStrategy.java
new file mode 100644
index 0000000000..660466db95
--- /dev/null
+++ b/google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/data/v2/stub/changestream/ReadChangeStreamResumptionStrategy.java
@@ -0,0 +1,100 @@
+/*
+ * Copyright 2022 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.google.cloud.bigtable.data.v2.stub.changestream;
+
+import com.google.api.core.InternalApi;
+import com.google.api.gax.retrying.StreamResumptionStrategy;
+import com.google.bigtable.v2.ReadChangeStreamRequest;
+import com.google.bigtable.v2.ReadChangeStreamRequest.Builder;
+import com.google.bigtable.v2.StreamContinuationToken;
+import com.google.bigtable.v2.StreamContinuationTokens;
+import com.google.cloud.bigtable.data.v2.models.ChangeStreamRecordAdapter;
+
+/**
+ * An implementation of a {@link StreamResumptionStrategy} for change stream records. This class
+ * tracks the continuation token and upon retry can build a request to resume the stream from where
+ * it left off.
+ *
+ * <p>This class is considered an internal implementation detail and not meant to be used by
+ * applications.
+ */
+@InternalApi
+public class ReadChangeStreamResumptionStrategy<ChangeStreamRecordT>
+    implements StreamResumptionStrategy<ReadChangeStreamRequest, ChangeStreamRecordT> {
+  private final ChangeStreamRecordAdapter<ChangeStreamRecordT> changeStreamRecordAdapter;
+  private String token = null;
+
+  public ReadChangeStreamResumptionStrategy(
+      ChangeStreamRecordAdapter<ChangeStreamRecordT> changeStreamRecordAdapter) {
+    this.changeStreamRecordAdapter = changeStreamRecordAdapter;
+  }
+
+  @Override
+  public boolean canResume() {
+    return true;
+  }
+
+  @Override
+  public StreamResumptionStrategy<ReadChangeStreamRequest, ChangeStreamRecordT> createNew() {
+    return new ReadChangeStreamResumptionStrategy<>(changeStreamRecordAdapter);
+  }
+
+  @Override
+  public ChangeStreamRecordT processResponse(ChangeStreamRecordT response) {
+    // Update the token from a Heartbeat or a ChangeStreamMutation.
+    // We don't worry about resumption after CloseStream, since the server
+    // will return an OK status right after sending a CloseStream.
+    if (changeStreamRecordAdapter.isHeartbeat(response)) {
+      this.token = changeStreamRecordAdapter.getTokenFromHeartbeat(response);
+    } else if (changeStreamRecordAdapter.isChangeStreamMutation(response)) {
+      this.token = changeStreamRecordAdapter.getTokenFromChangeStreamMutation(response);
+    }
+    return response;
+  }
+
+  /**
+   * {@inheritDoc}
+   *
+   * <p>Given a request, this implementation will narrow that request to include data changes that
+   * come after {@link #token}.
+   */
+  @Override
+  public ReadChangeStreamRequest getResumeRequest(ReadChangeStreamRequest originalRequest) {
+    // A null token means that we have not successfully read a Heartbeat nor a ChangeStreamMutation,
+    // so start from the beginning.
+    if (this.token == null) {
+      return originalRequest;
+    }
+
+    Builder builder = originalRequest.toBuilder();
+    // We need to clear the start_from and use the updated continuation_tokens
+    // to resume the request.
+    // The partition should always be the same as the one from the original request,
+    // otherwise we would receive a CloseStream with different
+    // partitions(which indicates tablet split/merge events).
+    builder.clearStartFrom();
+    builder.setContinuationTokens(
+        StreamContinuationTokens.newBuilder()
+            .addTokens(
+                StreamContinuationToken.newBuilder()
+                    .setPartition(originalRequest.getPartition())
+                    .setToken(this.token)
+                    .build())
+            .build());
+
+    return builder.build();
+  }
+}
diff --git a/google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/data/v2/stub/changestream/ReadChangeStreamUserCallable.java b/google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/data/v2/stub/changestream/ReadChangeStreamUserCallable.java
new file mode 100644
index 0000000000..0c78199ccd
--- /dev/null
+++ b/google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/data/v2/stub/changestream/ReadChangeStreamUserCallable.java
@@ -0,0 +1,51 @@
+/*
+ * Copyright 2022 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.google.cloud.bigtable.data.v2.stub.changestream;
+
+import com.google.api.core.InternalApi;
+import com.google.api.gax.rpc.ApiCallContext;
+import com.google.api.gax.rpc.ResponseObserver;
+import com.google.api.gax.rpc.ServerStreamingCallable;
+import com.google.bigtable.v2.ReadChangeStreamRequest;
+import com.google.cloud.bigtable.data.v2.internal.RequestContext;
+import com.google.cloud.bigtable.data.v2.models.ReadChangeStreamQuery;
+
+/**
+ * A ServerStreamingCallable that converts a {@link ReadChangeStreamQuery} to a {@link
+ * ReadChangeStreamRequest}.
+ */
+@InternalApi("Used in Changestream beam pipeline.")
+public class ReadChangeStreamUserCallable<ChangeStreamRecordT>
+    extends ServerStreamingCallable<ReadChangeStreamQuery, ChangeStreamRecordT> {
+  private final ServerStreamingCallable<ReadChangeStreamRequest, ChangeStreamRecordT> inner;
+  private final RequestContext requestContext;
+
+  public ReadChangeStreamUserCallable(
+      ServerStreamingCallable<ReadChangeStreamRequest, ChangeStreamRecordT> inner,
+      RequestContext requestContext) {
+    this.inner = inner;
+    this.requestContext = requestContext;
+  }
+
+  @Override
+  public void call(
+      ReadChangeStreamQuery request,
+      ResponseObserver<ChangeStreamRecordT> responseObserver,
+      ApiCallContext context) {
+    ReadChangeStreamRequest innerRequest = request.toProto(requestContext);
+    inner.call(innerRequest, responseObserver, context);
+  }
+}
diff --git a/google-cloud-bigtable/src/test/java/com/google/cloud/bigtable/data/v2/BigtableDataClientTests.java b/google-cloud-bigtable/src/test/java/com/google/cloud/bigtable/data/v2/BigtableDataClientTests.java
index 34c9a29d71..f4f23085a2 100644
--- a/google-cloud-bigtable/src/test/java/com/google/cloud/bigtable/data/v2/BigtableDataClientTests.java
+++ b/google-cloud-bigtable/src/test/java/com/google/cloud/bigtable/data/v2/BigtableDataClientTests.java
@@ -25,11 +25,14 @@
 import com.google.api.gax.rpc.ServerStreamingCallable;
 import com.google.api.gax.rpc.UnaryCallable;
 import com.google.cloud.bigtable.data.v2.models.BulkMutation;
+import com.google.cloud.bigtable.data.v2.models.ChangeStreamRecord;
 import com.google.cloud.bigtable.data.v2.models.ConditionalRowMutation;
 import com.google.cloud.bigtable.data.v2.models.Filters.Filter;
 import com.google.cloud.bigtable.data.v2.models.KeyOffset;
 import com.google.cloud.bigtable.data.v2.models.Mutation;
 import com.google.cloud.bigtable.data.v2.models.Query;
+import com.google.cloud.bigtable.data.v2.models.Range.ByteStringRange;
+import com.google.cloud.bigtable.data.v2.models.ReadChangeStreamQuery;
 import com.google.cloud.bigtable.data.v2.models.ReadModifyWriteRow;
 import com.google.cloud.bigtable.data.v2.models.Row;
 import com.google.cloud.bigtable.data.v2.models.RowCell;
@@ -79,6 +82,14 @@ public class BigtableDataClientTests {
   @Mock private Batcher<RowMutationEntry, Void> mockBulkMutationBatcher;
   @Mock private Batcher<ByteString, Row> mockBulkReadRowsBatcher;
 
+  @Mock(answer = Answers.RETURNS_DEEP_STUBS)
+  private ServerStreamingCallable<String, ByteStringRange>
+      mockGenerateInitialChangeStreamPartitionsCallable;
+
+  @Mock(answer = Answers.RETURNS_DEEP_STUBS)
+  private ServerStreamingCallable<ReadChangeStreamQuery, ChangeStreamRecord>
+      mockReadChangeStreamCallable;
+
   private BigtableDataClient bigtableDataClient;
 
   @Before
@@ -153,6 +164,21 @@ public void proxyReadRowsCallableTest() {
     assertThat(bigtableDataClient.readRowsCallable()).isSameInstanceAs(mockReadRowsCallable);
   }
 
+  @Test
+  public void proxyGenerateInitialChangeStreamPartitionsCallableTest() {
+    Mockito.when(mockStub.generateInitialChangeStreamPartitionsCallable())
+        .thenReturn(mockGenerateInitialChangeStreamPartitionsCallable);
+    assertThat(bigtableDataClient.generateInitialChangeStreamPartitionsCallable())
+        .isSameInstanceAs(mockGenerateInitialChangeStreamPartitionsCallable);
+  }
+
+  @Test
+  public void proxyReadChangeStreamCallableTest() {
+    Mockito.when(mockStub.readChangeStreamCallable()).thenReturn(mockReadChangeStreamCallable);
+    assertThat(bigtableDataClient.readChangeStreamCallable())
+        .isSameInstanceAs(mockReadChangeStreamCallable);
+  }
+
   @Test
   public void proxyReadRowAsyncTest() {
     Mockito.when(mockStub.readRowCallable()).thenReturn(mockReadRowCallable);
@@ -300,6 +326,51 @@ public void proxyReadRowsAsyncTest() {
     Mockito.verify(mockReadRowsCallable).call(query, mockObserver);
   }
 
+  @Test
+  public void proxyGenerateInitialChangeStreamPartitionsSyncTest() {
+    Mockito.when(mockStub.generateInitialChangeStreamPartitionsCallable())
+        .thenReturn(mockGenerateInitialChangeStreamPartitionsCallable);
+
+    bigtableDataClient.generateInitialChangeStreamPartitions("fake-table");
+
+    Mockito.verify(mockGenerateInitialChangeStreamPartitionsCallable).call("fake-table");
+  }
+
+  @Test
+  public void proxyGenerateInitialChangeStreamPartitionsAsyncTest() {
+    Mockito.when(mockStub.generateInitialChangeStreamPartitionsCallable())
+        .thenReturn(mockGenerateInitialChangeStreamPartitionsCallable);
+
+    @SuppressWarnings("unchecked")
+    ResponseObserver<ByteStringRange> mockObserver = Mockito.mock(ResponseObserver.class);
+    bigtableDataClient.generateInitialChangeStreamPartitionsAsync("fake-table", mockObserver);
+
+    Mockito.verify(mockGenerateInitialChangeStreamPartitionsCallable)
+        .call("fake-table", mockObserver);
+  }
+
+  @Test
+  public void proxyReadChangeStreamSyncTest() {
+    Mockito.when(mockStub.readChangeStreamCallable()).thenReturn(mockReadChangeStreamCallable);
+
+    ReadChangeStreamQuery query = ReadChangeStreamQuery.create("fake-table");
+    bigtableDataClient.readChangeStream(query);
+
+    Mockito.verify(mockReadChangeStreamCallable).call(query);
+  }
+
+  @Test
+  public void proxyReadChangeStreamAsyncTest() {
+    Mockito.when(mockStub.readChangeStreamCallable()).thenReturn(mockReadChangeStreamCallable);
+
+    @SuppressWarnings("unchecked")
+    ResponseObserver<ChangeStreamRecord> mockObserver = Mockito.mock(ResponseObserver.class);
+    ReadChangeStreamQuery query = ReadChangeStreamQuery.create("fake-table");
+    bigtableDataClient.readChangeStreamAsync(query, mockObserver);
+
+    Mockito.verify(mockReadChangeStreamCallable).call(query, mockObserver);
+  }
+
   @Test
   public void proxySampleRowKeysCallableTest() {
     Mockito.when(mockStub.sampleRowKeysCallable()).thenReturn(mockSampleRowKeysCallable);
diff --git a/google-cloud-bigtable/src/test/java/com/google/cloud/bigtable/data/v2/models/ChangeStreamContinuationTokenTest.java b/google-cloud-bigtable/src/test/java/com/google/cloud/bigtable/data/v2/models/ChangeStreamContinuationTokenTest.java
new file mode 100644
index 0000000000..7e15ad5bbb
--- /dev/null
+++ b/google-cloud-bigtable/src/test/java/com/google/cloud/bigtable/data/v2/models/ChangeStreamContinuationTokenTest.java
@@ -0,0 +1,97 @@
+/*
+ * Copyright 2022 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.google.cloud.bigtable.data.v2.models;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import com.google.bigtable.v2.RowRange;
+import com.google.bigtable.v2.StreamContinuationToken;
+import com.google.bigtable.v2.StreamPartition;
+import com.google.cloud.bigtable.data.v2.models.Range.ByteStringRange;
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.ObjectInputStream;
+import java.io.ObjectOutputStream;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.JUnit4;
+
+@RunWith(JUnit4.class)
+public class ChangeStreamContinuationTokenTest {
+
+  private final String TOKEN = "token";
+
+  private ByteStringRange createFakeByteStringRange() {
+    return ByteStringRange.create("a", "b");
+  }
+
+  private RowRange rowRangeFromPartition(ByteStringRange partition) {
+    return RowRange.newBuilder()
+        .setStartKeyClosed(partition.getStart())
+        .setEndKeyOpen(partition.getEnd())
+        .build();
+  }
+
+  @Test
+  public void basicTest() throws Exception {
+    ByteStringRange byteStringRange = createFakeByteStringRange();
+    ChangeStreamContinuationToken changeStreamContinuationToken =
+        ChangeStreamContinuationToken.create(byteStringRange, TOKEN);
+    assertThat(changeStreamContinuationToken.getPartition()).isEqualTo(byteStringRange);
+    assertThat(changeStreamContinuationToken.getToken()).isEqualTo(TOKEN);
+
+    ByteArrayOutputStream bos = new ByteArrayOutputStream();
+    ObjectOutputStream oos = new ObjectOutputStream(bos);
+    oos.writeObject(changeStreamContinuationToken);
+    oos.close();
+    ObjectInputStream ois = new ObjectInputStream(new ByteArrayInputStream(bos.toByteArray()));
+    ChangeStreamContinuationToken actual = (ChangeStreamContinuationToken) ois.readObject();
+    assertThat(actual).isEqualTo(changeStreamContinuationToken);
+  }
+
+  @Test
+  public void fromProtoTest() {
+    ByteStringRange byteStringRange = createFakeByteStringRange();
+    StreamContinuationToken proto =
+        StreamContinuationToken.newBuilder()
+            .setPartition(
+                StreamPartition.newBuilder()
+                    .setRowRange(rowRangeFromPartition(byteStringRange))
+                    .build())
+            .setToken(TOKEN)
+            .build();
+    ChangeStreamContinuationToken changeStreamContinuationToken =
+        ChangeStreamContinuationToken.fromProto(proto);
+    assertThat(changeStreamContinuationToken.getPartition()).isEqualTo(byteStringRange);
+    assertThat(changeStreamContinuationToken.getToken()).isEqualTo(TOKEN);
+    assertThat(changeStreamContinuationToken)
+        .isEqualTo(
+            ChangeStreamContinuationToken.fromProto(changeStreamContinuationToken.getTokenProto()));
+  }
+
+  @Test
+  public void toByteStringTest() throws Exception {
+    ByteStringRange byteStringRange = createFakeByteStringRange();
+    ChangeStreamContinuationToken changeStreamContinuationToken =
+        ChangeStreamContinuationToken.create(byteStringRange, TOKEN);
+    assertThat(changeStreamContinuationToken.getPartition()).isEqualTo(byteStringRange);
+    assertThat(changeStreamContinuationToken.getToken()).isEqualTo(TOKEN);
+    assertThat(changeStreamContinuationToken)
+        .isEqualTo(
+            ChangeStreamContinuationToken.fromByteString(
+                changeStreamContinuationToken.toByteString()));
+  }
+}
diff --git a/google-cloud-bigtable/src/test/java/com/google/cloud/bigtable/data/v2/models/ChangeStreamMutationTest.java b/google-cloud-bigtable/src/test/java/com/google/cloud/bigtable/data/v2/models/ChangeStreamMutationTest.java
new file mode 100644
index 0000000000..04285bcc5f
--- /dev/null
+++ b/google-cloud-bigtable/src/test/java/com/google/cloud/bigtable/data/v2/models/ChangeStreamMutationTest.java
@@ -0,0 +1,261 @@
+/*
+ * Copyright 2022 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.google.cloud.bigtable.data.v2.models;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import com.google.bigtable.v2.MutateRowRequest;
+import com.google.bigtable.v2.MutateRowsRequest;
+import com.google.cloud.bigtable.data.v2.internal.NameUtil;
+import com.google.cloud.bigtable.data.v2.internal.RequestContext;
+import com.google.common.primitives.Longs;
+import com.google.protobuf.ByteString;
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.io.ObjectInputStream;
+import java.io.ObjectOutputStream;
+import org.junit.Assert;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.JUnit4;
+
+@RunWith(JUnit4.class)
+public class ChangeStreamMutationTest {
+  private static final String PROJECT_ID = "fake-project";
+  private static final String INSTANCE_ID = "fake-instance";
+  private static final String TABLE_ID = "fake-table";
+  private static final String APP_PROFILE_ID = "fake-profile";
+  private static final RequestContext REQUEST_CONTEXT =
+      RequestContext.create(PROJECT_ID, INSTANCE_ID, APP_PROFILE_ID);
+  private static final long FAKE_COMMIT_TIMESTAMP = 1000L;
+  private static final long FAKE_LOW_WATERMARK = 2000L;
+
+  @Test
+  public void userInitiatedMutationTest() throws IOException, ClassNotFoundException {
+    // Create a user initiated logical mutation.
+    ChangeStreamMutation changeStreamMutation =
+        ChangeStreamMutation.createUserMutation(
+                ByteString.copyFromUtf8("key"), "fake-source-cluster-id", FAKE_COMMIT_TIMESTAMP, 0)
+            .setCell(
+                "fake-family",
+                ByteString.copyFromUtf8("fake-qualifier"),
+                1000,
+                ByteString.copyFromUtf8("fake-value"))
+            .deleteFamily("fake-family")
+            .deleteCells(
+                "fake-family",
+                ByteString.copyFromUtf8("fake-qualifier"),
+                Range.TimestampRange.create(1000L, 2000L))
+            .setToken("fake-token")
+            .setEstimatedLowWatermark(FAKE_LOW_WATERMARK)
+            .build();
+
+    // Test the getters.
+    assertThat(changeStreamMutation.getRowKey()).isEqualTo(ByteString.copyFromUtf8("key"));
+    assertThat(changeStreamMutation.getType()).isEqualTo(ChangeStreamMutation.MutationType.USER);
+    assertThat(changeStreamMutation.getSourceClusterId()).isEqualTo("fake-source-cluster-id");
+    assertThat(changeStreamMutation.getCommitTimestamp()).isEqualTo(FAKE_COMMIT_TIMESTAMP);
+    assertThat(changeStreamMutation.getTieBreaker()).isEqualTo(0);
+    assertThat(changeStreamMutation.getToken()).isEqualTo("fake-token");
+    assertThat(changeStreamMutation.getEstimatedLowWatermark()).isEqualTo(FAKE_LOW_WATERMARK);
+
+    // Test serialization.
+    ByteArrayOutputStream bos = new ByteArrayOutputStream();
+    ObjectOutputStream oos = new ObjectOutputStream(bos);
+    oos.writeObject(changeStreamMutation);
+    oos.close();
+    ObjectInputStream ois = new ObjectInputStream(new ByteArrayInputStream(bos.toByteArray()));
+    ChangeStreamMutation actual = (ChangeStreamMutation) ois.readObject();
+    assertThat(actual).isEqualTo(changeStreamMutation);
+  }
+
+  @Test
+  public void gcMutationTest() throws IOException, ClassNotFoundException {
+    // Create a GC mutation.
+    ChangeStreamMutation changeStreamMutation =
+        ChangeStreamMutation.createGcMutation(
+                ByteString.copyFromUtf8("key"), FAKE_COMMIT_TIMESTAMP, 0)
+            .setCell(
+                "fake-family",
+                ByteString.copyFromUtf8("fake-qualifier"),
+                1000,
+                ByteString.copyFromUtf8("fake-value"))
+            .deleteFamily("fake-family")
+            .deleteCells(
+                "fake-family",
+                ByteString.copyFromUtf8("fake-qualifier"),
+                Range.TimestampRange.create(1000L, 2000L))
+            .setToken("fake-token")
+            .setEstimatedLowWatermark(FAKE_LOW_WATERMARK)
+            .build();
+
+    // Test the getters.
+    assertThat(changeStreamMutation.getRowKey()).isEqualTo(ByteString.copyFromUtf8("key"));
+    assertThat(changeStreamMutation.getType())
+        .isEqualTo(ChangeStreamMutation.MutationType.GARBAGE_COLLECTION);
+    Assert.assertTrue(changeStreamMutation.getSourceClusterId().isEmpty());
+    assertThat(changeStreamMutation.getCommitTimestamp()).isEqualTo(FAKE_COMMIT_TIMESTAMP);
+    assertThat(changeStreamMutation.getTieBreaker()).isEqualTo(0);
+    assertThat(changeStreamMutation.getToken()).isEqualTo("fake-token");
+    assertThat(changeStreamMutation.getEstimatedLowWatermark()).isEqualTo(FAKE_LOW_WATERMARK);
+
+    // Test serialization.
+    ByteArrayOutputStream bos = new ByteArrayOutputStream();
+    ObjectOutputStream oos = new ObjectOutputStream(bos);
+    oos.writeObject(changeStreamMutation);
+    oos.close();
+    ObjectInputStream ois = new ObjectInputStream(new ByteArrayInputStream(bos.toByteArray()));
+    ChangeStreamMutation actual = (ChangeStreamMutation) ois.readObject();
+    assertThat(actual).isEqualTo(changeStreamMutation);
+  }
+
+  @Test
+  public void toRowMutationTest() {
+    ChangeStreamMutation changeStreamMutation =
+        ChangeStreamMutation.createUserMutation(
+                ByteString.copyFromUtf8("key"), "fake-source-cluster-id", FAKE_COMMIT_TIMESTAMP, 0)
+            .setCell(
+                "fake-family",
+                ByteString.copyFromUtf8("fake-qualifier"),
+                1000,
+                ByteString.copyFromUtf8("fake-value"))
+            .deleteFamily("fake-family")
+            .deleteCells(
+                "fake-family",
+                ByteString.copyFromUtf8("fake-qualifier"),
+                Range.TimestampRange.create(1000L, 2000L))
+            .setToken("fake-token")
+            .setEstimatedLowWatermark(FAKE_LOW_WATERMARK)
+            .build();
+
+    // Convert it to a rowMutation and construct a MutateRowRequest.
+    RowMutation rowMutation = changeStreamMutation.toRowMutation(TABLE_ID);
+    MutateRowRequest mutateRowRequest = rowMutation.toProto(REQUEST_CONTEXT);
+    String tableName =
+        NameUtil.formatTableName(
+            REQUEST_CONTEXT.getProjectId(), REQUEST_CONTEXT.getInstanceId(), TABLE_ID);
+    assertThat(mutateRowRequest.getTableName()).isEqualTo(tableName);
+    assertThat(mutateRowRequest.getMutationsList()).hasSize(3);
+    assertThat(mutateRowRequest.getMutations(0).getSetCell().getValue())
+        .isEqualTo(ByteString.copyFromUtf8("fake-value"));
+    assertThat(mutateRowRequest.getMutations(1).getDeleteFromFamily().getFamilyName())
+        .isEqualTo("fake-family");
+    assertThat(mutateRowRequest.getMutations(2).getDeleteFromColumn().getFamilyName())
+        .isEqualTo("fake-family");
+    assertThat(mutateRowRequest.getMutations(2).getDeleteFromColumn().getColumnQualifier())
+        .isEqualTo(ByteString.copyFromUtf8("fake-qualifier"));
+  }
+
+  @Test
+  public void toRowMutationWithoutTokenShouldFailTest() {
+    ChangeStreamMutation.Builder builder =
+        ChangeStreamMutation.createUserMutation(
+                ByteString.copyFromUtf8("key"), "fake-source-cluster-id", FAKE_COMMIT_TIMESTAMP, 0)
+            .deleteFamily("fake-family")
+            .setEstimatedLowWatermark(FAKE_LOW_WATERMARK);
+    Assert.assertThrows(IllegalStateException.class, builder::build);
+  }
+
+  @Test
+  public void toRowMutationWithoutLowWatermarkShouldFailTest() {
+    ChangeStreamMutation.Builder builder =
+        ChangeStreamMutation.createUserMutation(
+                ByteString.copyFromUtf8("key"), "fake-source-cluster-id", FAKE_COMMIT_TIMESTAMP, 0)
+            .deleteFamily("fake-family")
+            .setToken("fake-token");
+    Assert.assertThrows(IllegalStateException.class, builder::build);
+  }
+
+  @Test
+  public void toRowMutationEntryTest() {
+    ChangeStreamMutation changeStreamMutation =
+        ChangeStreamMutation.createUserMutation(
+                ByteString.copyFromUtf8("key"), "fake-source-cluster-id", FAKE_COMMIT_TIMESTAMP, 0)
+            .setCell(
+                "fake-family",
+                ByteString.copyFromUtf8("fake-qualifier"),
+                1000,
+                ByteString.copyFromUtf8("fake-value"))
+            .deleteFamily("fake-family")
+            .deleteCells(
+                "fake-family",
+                ByteString.copyFromUtf8("fake-qualifier"),
+                Range.TimestampRange.create(1000L, 2000L))
+            .setToken("fake-token")
+            .setEstimatedLowWatermark(FAKE_LOW_WATERMARK)
+            .build();
+
+    // Convert it to a rowMutationEntry and construct a MutateRowRequest.
+    RowMutationEntry rowMutationEntry = changeStreamMutation.toRowMutationEntry();
+    MutateRowsRequest.Entry mutateRowsRequestEntry = rowMutationEntry.toProto();
+    assertThat(mutateRowsRequestEntry.getRowKey()).isEqualTo(ByteString.copyFromUtf8("key"));
+    assertThat(mutateRowsRequestEntry.getMutationsList()).hasSize(3);
+    assertThat(mutateRowsRequestEntry.getMutations(0).getSetCell().getValue())
+        .isEqualTo(ByteString.copyFromUtf8("fake-value"));
+    assertThat(mutateRowsRequestEntry.getMutations(1).getDeleteFromFamily().getFamilyName())
+        .isEqualTo("fake-family");
+    assertThat(mutateRowsRequestEntry.getMutations(2).getDeleteFromColumn().getFamilyName())
+        .isEqualTo("fake-family");
+    assertThat(mutateRowsRequestEntry.getMutations(2).getDeleteFromColumn().getColumnQualifier())
+        .isEqualTo(ByteString.copyFromUtf8("fake-qualifier"));
+  }
+
+  @Test
+  public void toRowMutationEntryWithoutTokenShouldFailTest() {
+    ChangeStreamMutation.Builder builder =
+        ChangeStreamMutation.createUserMutation(
+                ByteString.copyFromUtf8("key"), "fake-source-cluster-id", FAKE_COMMIT_TIMESTAMP, 0)
+            .deleteFamily("fake-family")
+            .setEstimatedLowWatermark(FAKE_LOW_WATERMARK);
+    Assert.assertThrows(IllegalStateException.class, builder::build);
+  }
+
+  @Test
+  public void toRowMutationEntryWithoutLowWatermarkShouldFailTest() {
+    ChangeStreamMutation.Builder builder =
+        ChangeStreamMutation.createUserMutation(
+                ByteString.copyFromUtf8("key"), "fake-source-cluster-id", FAKE_COMMIT_TIMESTAMP, 0)
+            .deleteFamily("fake-family")
+            .setToken("fake-token");
+    Assert.assertThrows(IllegalStateException.class, builder::build);
+  }
+
+  @Test
+  public void testWithLongValue() {
+    ChangeStreamMutation changeStreamMutation =
+        ChangeStreamMutation.createUserMutation(
+                ByteString.copyFromUtf8("key"), "fake-source-cluster-id", FAKE_COMMIT_TIMESTAMP, 0)
+            .setCell(
+                "fake-family",
+                ByteString.copyFromUtf8("fake-qualifier"),
+                1000L,
+                ByteString.copyFrom(Longs.toByteArray(1L)))
+            .setToken("fake-token")
+            .setEstimatedLowWatermark(FAKE_LOW_WATERMARK)
+            .build();
+
+    RowMutation rowMutation = changeStreamMutation.toRowMutation(TABLE_ID);
+    MutateRowRequest mutateRowRequest = rowMutation.toProto(REQUEST_CONTEXT);
+    String tableName =
+        NameUtil.formatTableName(
+            REQUEST_CONTEXT.getProjectId(), REQUEST_CONTEXT.getInstanceId(), TABLE_ID);
+    assertThat(mutateRowRequest.getTableName()).isEqualTo(tableName);
+    assertThat(mutateRowRequest.getMutationsList()).hasSize(1);
+    assertThat(mutateRowRequest.getMutations(0).getSetCell().getValue())
+        .isEqualTo(ByteString.copyFromUtf8("\000\000\000\000\000\000\000\001"));
+  }
+}
diff --git a/google-cloud-bigtable/src/test/java/com/google/cloud/bigtable/data/v2/models/ChangeStreamRecordTest.java b/google-cloud-bigtable/src/test/java/com/google/cloud/bigtable/data/v2/models/ChangeStreamRecordTest.java
new file mode 100644
index 0000000000..2637352bd8
--- /dev/null
+++ b/google-cloud-bigtable/src/test/java/com/google/cloud/bigtable/data/v2/models/ChangeStreamRecordTest.java
@@ -0,0 +1,171 @@
+/*
+ * Copyright 2022 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.google.cloud.bigtable.data.v2.models;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import com.google.bigtable.v2.ReadChangeStreamResponse;
+import com.google.bigtable.v2.RowRange;
+import com.google.bigtable.v2.StreamContinuationToken;
+import com.google.bigtable.v2.StreamPartition;
+import com.google.cloud.bigtable.data.v2.models.Range.ByteStringRange;
+import com.google.protobuf.ByteString;
+import com.google.protobuf.Timestamp;
+import com.google.rpc.Status;
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.io.ObjectInputStream;
+import java.io.ObjectOutputStream;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.JUnit4;
+
+@RunWith(JUnit4.class)
+public class ChangeStreamRecordTest {
+
+  @Test
+  public void heartbeatSerializationTest() throws IOException, ClassNotFoundException {
+    ReadChangeStreamResponse.Heartbeat heartbeatProto =
+        ReadChangeStreamResponse.Heartbeat.newBuilder()
+            .setEstimatedLowWatermark(
+                com.google.protobuf.Timestamp.newBuilder().setSeconds(1000).build())
+            .setContinuationToken(
+                StreamContinuationToken.newBuilder().setToken("random-token").build())
+            .build();
+    Heartbeat heartbeat = Heartbeat.fromProto(heartbeatProto);
+
+    ByteArrayOutputStream bos = new ByteArrayOutputStream();
+    ObjectOutputStream oos = new ObjectOutputStream(bos);
+    oos.writeObject(heartbeat);
+    oos.close();
+    ObjectInputStream ois = new ObjectInputStream(new ByteArrayInputStream(bos.toByteArray()));
+    Heartbeat actual = (Heartbeat) ois.readObject();
+    assertThat(actual).isEqualTo(heartbeat);
+  }
+
+  @Test
+  public void closeStreamSerializationTest() throws IOException, ClassNotFoundException {
+    Status status = Status.newBuilder().setCode(0).build();
+    RowRange rowRange1 =
+        RowRange.newBuilder()
+            .setStartKeyClosed(ByteString.copyFromUtf8(""))
+            .setEndKeyOpen(ByteString.copyFromUtf8("apple"))
+            .build();
+    String token1 = "close-stream-token-1";
+    RowRange rowRange2 =
+        RowRange.newBuilder()
+            .setStartKeyClosed(ByteString.copyFromUtf8("apple"))
+            .setEndKeyOpen(ByteString.copyFromUtf8(""))
+            .build();
+    String token2 = "close-stream-token-2";
+    ReadChangeStreamResponse.CloseStream closeStreamProto =
+        ReadChangeStreamResponse.CloseStream.newBuilder()
+            .addContinuationTokens(
+                StreamContinuationToken.newBuilder()
+                    .setPartition(StreamPartition.newBuilder().setRowRange(rowRange1).build())
+                    .setToken(token1)
+                    .build())
+            .addContinuationTokens(
+                StreamContinuationToken.newBuilder()
+                    .setPartition(StreamPartition.newBuilder().setRowRange(rowRange2).build())
+                    .setToken(token2)
+                    .build())
+            .setStatus(status)
+            .build();
+    CloseStream closeStream = CloseStream.fromProto(closeStreamProto);
+
+    ByteArrayOutputStream bos = new ByteArrayOutputStream();
+    ObjectOutputStream oos = new ObjectOutputStream(bos);
+    oos.writeObject(closeStream);
+    oos.close();
+    ObjectInputStream ois = new ObjectInputStream(new ByteArrayInputStream(bos.toByteArray()));
+    CloseStream actual = (CloseStream) ois.readObject();
+    assertThat(actual.getChangeStreamContinuationTokens())
+        .isEqualTo(closeStream.getChangeStreamContinuationTokens());
+    assertThat(actual.getStatus()).isEqualTo(closeStream.getStatus());
+  }
+
+  @Test
+  public void heartbeatTest() {
+    Timestamp lowWatermark = Timestamp.newBuilder().setSeconds(1000).build();
+    RowRange rowRange =
+        RowRange.newBuilder()
+            .setStartKeyClosed(ByteString.copyFromUtf8("apple"))
+            .setEndKeyOpen(ByteString.copyFromUtf8("banana"))
+            .build();
+    String token = "heartbeat-token";
+    ReadChangeStreamResponse.Heartbeat heartbeatProto =
+        ReadChangeStreamResponse.Heartbeat.newBuilder()
+            .setEstimatedLowWatermark(lowWatermark)
+            .setContinuationToken(
+                StreamContinuationToken.newBuilder()
+                    .setPartition(StreamPartition.newBuilder().setRowRange(rowRange).build())
+                    .setToken(token)
+                    .build())
+            .build();
+    Heartbeat actualHeartbeat = Heartbeat.fromProto(heartbeatProto);
+
+    assertThat(actualHeartbeat.getEstimatedLowWatermark()).isEqualTo(lowWatermark);
+    assertThat(actualHeartbeat.getChangeStreamContinuationToken().getPartition())
+        .isEqualTo(ByteStringRange.create(rowRange.getStartKeyClosed(), rowRange.getEndKeyOpen()));
+    assertThat(actualHeartbeat.getChangeStreamContinuationToken().getToken()).isEqualTo(token);
+  }
+
+  @Test
+  public void closeStreamTest() {
+    Status status = Status.newBuilder().setCode(0).build();
+    RowRange rowRange1 =
+        RowRange.newBuilder()
+            .setStartKeyClosed(ByteString.copyFromUtf8(""))
+            .setEndKeyOpen(ByteString.copyFromUtf8("apple"))
+            .build();
+    String token1 = "close-stream-token-1";
+    RowRange rowRange2 =
+        RowRange.newBuilder()
+            .setStartKeyClosed(ByteString.copyFromUtf8("apple"))
+            .setEndKeyOpen(ByteString.copyFromUtf8(""))
+            .build();
+    String token2 = "close-stream-token-2";
+    ReadChangeStreamResponse.CloseStream closeStreamProto =
+        ReadChangeStreamResponse.CloseStream.newBuilder()
+            .addContinuationTokens(
+                StreamContinuationToken.newBuilder()
+                    .setPartition(StreamPartition.newBuilder().setRowRange(rowRange1).build())
+                    .setToken(token1)
+                    .build())
+            .addContinuationTokens(
+                StreamContinuationToken.newBuilder()
+                    .setPartition(StreamPartition.newBuilder().setRowRange(rowRange2).build())
+                    .setToken(token2)
+                    .build())
+            .setStatus(status)
+            .build();
+    CloseStream actualCloseStream = CloseStream.fromProto(closeStreamProto);
+
+    assertThat(status).isEqualTo(actualCloseStream.getStatus());
+    assertThat(actualCloseStream.getChangeStreamContinuationTokens().get(0).getPartition())
+        .isEqualTo(
+            ByteStringRange.create(rowRange1.getStartKeyClosed(), rowRange1.getEndKeyOpen()));
+    assertThat(token1)
+        .isEqualTo(actualCloseStream.getChangeStreamContinuationTokens().get(0).getToken());
+    assertThat(actualCloseStream.getChangeStreamContinuationTokens().get(1).getPartition())
+        .isEqualTo(
+            ByteStringRange.create(rowRange2.getStartKeyClosed(), rowRange2.getEndKeyOpen()));
+    assertThat(token2)
+        .isEqualTo(actualCloseStream.getChangeStreamContinuationTokens().get(1).getToken());
+  }
+}
diff --git a/google-cloud-bigtable/src/test/java/com/google/cloud/bigtable/data/v2/models/DefaultChangeStreamRecordAdapterTest.java b/google-cloud-bigtable/src/test/java/com/google/cloud/bigtable/data/v2/models/DefaultChangeStreamRecordAdapterTest.java
new file mode 100644
index 0000000000..2af99577d6
--- /dev/null
+++ b/google-cloud-bigtable/src/test/java/com/google/cloud/bigtable/data/v2/models/DefaultChangeStreamRecordAdapterTest.java
@@ -0,0 +1,449 @@
+/*
+ * Copyright 2022 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.google.cloud.bigtable.data.v2.models;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import com.google.bigtable.v2.Mutation;
+import com.google.bigtable.v2.ReadChangeStreamResponse;
+import com.google.bigtable.v2.StreamContinuationToken;
+import com.google.bigtable.v2.TimestampRange;
+import com.google.cloud.bigtable.data.v2.models.ChangeStreamRecordAdapter.ChangeStreamRecordBuilder;
+import com.google.protobuf.ByteString;
+import com.google.protobuf.util.Timestamps;
+import com.google.rpc.Status;
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.rules.ExpectedException;
+import org.junit.runner.RunWith;
+import org.junit.runners.JUnit4;
+
+@RunWith(JUnit4.class)
+public class DefaultChangeStreamRecordAdapterTest {
+
+  private final DefaultChangeStreamRecordAdapter adapter = new DefaultChangeStreamRecordAdapter();
+  private ChangeStreamRecordBuilder<ChangeStreamRecord> changeStreamRecordBuilder;
+  private static final long FAKE_COMMIT_TIMESTAMP = 1000L;
+  private static final long FAKE_LOW_WATERMARK = 2000L;
+
+  @Rule public ExpectedException expect = ExpectedException.none();
+
+  @Before
+  public void setUp() {
+    changeStreamRecordBuilder = adapter.createChangeStreamRecordBuilder();
+  }
+
+  @Test
+  public void isHeartbeatTest() {
+    ChangeStreamRecord heartbeatRecord =
+        Heartbeat.fromProto(ReadChangeStreamResponse.Heartbeat.getDefaultInstance());
+    ChangeStreamRecord closeStreamRecord =
+        CloseStream.fromProto(ReadChangeStreamResponse.CloseStream.getDefaultInstance());
+    ChangeStreamRecord changeStreamMutationRecord =
+        ChangeStreamMutation.createGcMutation(
+                ByteString.copyFromUtf8("key"), FAKE_COMMIT_TIMESTAMP, 0)
+            .setToken("token")
+            .setEstimatedLowWatermark(FAKE_LOW_WATERMARK)
+            .build();
+    Assert.assertTrue(adapter.isHeartbeat(heartbeatRecord));
+    Assert.assertFalse(adapter.isHeartbeat(closeStreamRecord));
+    Assert.assertFalse(adapter.isHeartbeat(changeStreamMutationRecord));
+  }
+
+  @Test
+  public void getTokenFromHeartbeatTest() {
+    ChangeStreamRecord heartbeatRecord =
+        Heartbeat.fromProto(
+            ReadChangeStreamResponse.Heartbeat.newBuilder()
+                .setEstimatedLowWatermark(Timestamps.fromNanos(FAKE_LOW_WATERMARK))
+                .setContinuationToken(
+                    StreamContinuationToken.newBuilder().setToken("heartbeat-token").build())
+                .build());
+    Assert.assertEquals(adapter.getTokenFromHeartbeat(heartbeatRecord), "heartbeat-token");
+  }
+
+  @Test(expected = IllegalArgumentException.class)
+  public void getTokenFromHeartbeatInvalidTypeTest() {
+    ChangeStreamRecord closeStreamRecord =
+        CloseStream.fromProto(ReadChangeStreamResponse.CloseStream.getDefaultInstance());
+    adapter.getTokenFromHeartbeat(closeStreamRecord);
+    expect.expectMessage("record is not a Heartbeat.");
+  }
+
+  @Test
+  public void isChangeStreamMutationTest() {
+    ChangeStreamRecord heartbeatRecord =
+        Heartbeat.fromProto(ReadChangeStreamResponse.Heartbeat.getDefaultInstance());
+    ChangeStreamRecord closeStreamRecord =
+        CloseStream.fromProto(ReadChangeStreamResponse.CloseStream.getDefaultInstance());
+    ChangeStreamRecord changeStreamMutationRecord =
+        ChangeStreamMutation.createGcMutation(
+                ByteString.copyFromUtf8("key"), FAKE_COMMIT_TIMESTAMP, 0)
+            .setToken("token")
+            .setEstimatedLowWatermark(FAKE_LOW_WATERMARK)
+            .build();
+    Assert.assertFalse(adapter.isChangeStreamMutation(heartbeatRecord));
+    Assert.assertFalse(adapter.isChangeStreamMutation(closeStreamRecord));
+    Assert.assertTrue(adapter.isChangeStreamMutation(changeStreamMutationRecord));
+  }
+
+  @Test
+  public void getTokenFromChangeStreamMutationTest() {
+    ChangeStreamRecord changeStreamMutationRecord =
+        ChangeStreamMutation.createGcMutation(
+                ByteString.copyFromUtf8("key"), FAKE_COMMIT_TIMESTAMP, 0)
+            .setToken("change-stream-mutation-token")
+            .setEstimatedLowWatermark(FAKE_LOW_WATERMARK)
+            .build();
+    Assert.assertEquals(
+        adapter.getTokenFromChangeStreamMutation(changeStreamMutationRecord),
+        "change-stream-mutation-token");
+  }
+
+  @Test(expected = IllegalArgumentException.class)
+  public void getTokenFromChangeStreamMutationInvalidTypeTest() {
+    ChangeStreamRecord closeStreamRecord =
+        CloseStream.fromProto(ReadChangeStreamResponse.CloseStream.getDefaultInstance());
+    adapter.getTokenFromChangeStreamMutation(closeStreamRecord);
+    expect.expectMessage("record is not a ChangeStreamMutation.");
+  }
+
+  @Test
+  public void heartbeatTest() {
+    ReadChangeStreamResponse.Heartbeat expectedHeartbeat =
+        ReadChangeStreamResponse.Heartbeat.newBuilder()
+            .setEstimatedLowWatermark(Timestamps.fromNanos(FAKE_LOW_WATERMARK))
+            .setContinuationToken(
+                StreamContinuationToken.newBuilder().setToken("random-token").build())
+            .build();
+    assertThat(changeStreamRecordBuilder.onHeartbeat(expectedHeartbeat))
+        .isEqualTo(Heartbeat.fromProto(expectedHeartbeat));
+    // Call again.
+    assertThat(changeStreamRecordBuilder.onHeartbeat(expectedHeartbeat))
+        .isEqualTo(Heartbeat.fromProto(expectedHeartbeat));
+  }
+
+  @Test
+  public void closeStreamTest() {
+    ReadChangeStreamResponse.CloseStream expectedCloseStream =
+        ReadChangeStreamResponse.CloseStream.newBuilder()
+            .addContinuationTokens(
+                StreamContinuationToken.newBuilder().setToken("random-token").build())
+            .setStatus(Status.newBuilder().setCode(0).build())
+            .build();
+    assertThat(changeStreamRecordBuilder.onCloseStream(expectedCloseStream))
+        .isEqualTo(CloseStream.fromProto(expectedCloseStream));
+    // Call again.
+    assertThat(changeStreamRecordBuilder.onCloseStream(expectedCloseStream))
+        .isEqualTo(CloseStream.fromProto(expectedCloseStream));
+  }
+
+  @Test(expected = IllegalStateException.class)
+  public void createHeartbeatWithExistingMutationShouldFailTest() {
+    changeStreamRecordBuilder.startGcMutation(
+        ByteString.copyFromUtf8("key"), FAKE_COMMIT_TIMESTAMP, 0);
+    changeStreamRecordBuilder.onHeartbeat(ReadChangeStreamResponse.Heartbeat.getDefaultInstance());
+  }
+
+  @Test(expected = IllegalStateException.class)
+  public void createCloseStreamWithExistingMutationShouldFailTest() {
+    changeStreamRecordBuilder.startGcMutation(
+        ByteString.copyFromUtf8("key"), FAKE_COMMIT_TIMESTAMP, 0);
+    changeStreamRecordBuilder.onCloseStream(
+        ReadChangeStreamResponse.CloseStream.getDefaultInstance());
+  }
+
+  @Test
+  public void singleDeleteFamilyTest() {
+    // Suppose this is the mod we get from the ReadChangeStreamResponse.
+    Mutation.DeleteFromFamily deleteFromFamily =
+        Mutation.DeleteFromFamily.newBuilder().setFamilyName("fake-family").build();
+
+    // Expected logical mutation in the change stream record.
+    ChangeStreamMutation expectedChangeStreamMutation =
+        ChangeStreamMutation.createUserMutation(
+                ByteString.copyFromUtf8("key"), "fake-source-cluster-id", FAKE_COMMIT_TIMESTAMP, 0)
+            .deleteFamily("fake-family")
+            .setToken("fake-token")
+            .setEstimatedLowWatermark(FAKE_LOW_WATERMARK)
+            .build();
+
+    // Create the ChangeStreamMutation through the ChangeStreamRecordBuilder.
+    changeStreamRecordBuilder.startUserMutation(
+        ByteString.copyFromUtf8("key"), "fake-source-cluster-id", FAKE_COMMIT_TIMESTAMP, 0);
+    changeStreamRecordBuilder.deleteFamily(deleteFromFamily.getFamilyName());
+    assertThat(
+            changeStreamRecordBuilder.finishChangeStreamMutation("fake-token", FAKE_LOW_WATERMARK))
+        .isEqualTo(expectedChangeStreamMutation);
+    // Call again.
+    assertThat(
+            changeStreamRecordBuilder.finishChangeStreamMutation("fake-token", FAKE_LOW_WATERMARK))
+        .isEqualTo(expectedChangeStreamMutation);
+  }
+
+  @Test
+  public void singleDeleteCellTest() {
+    // Suppose this is the mod we get from the ReadChangeStreamResponse.
+    Mutation.DeleteFromColumn deleteFromColumn =
+        Mutation.DeleteFromColumn.newBuilder()
+            .setFamilyName("fake-family")
+            .setColumnQualifier(ByteString.copyFromUtf8("fake-qualifier"))
+            .setTimeRange(
+                TimestampRange.newBuilder()
+                    .setStartTimestampMicros(1000L)
+                    .setEndTimestampMicros(2000L)
+                    .build())
+            .build();
+
+    // Expected logical mutation in the change stream record.
+    ChangeStreamMutation expectedChangeStreamMutation =
+        ChangeStreamMutation.createUserMutation(
+                ByteString.copyFromUtf8("key"), "fake-source-cluster-id", FAKE_COMMIT_TIMESTAMP, 0)
+            .deleteCells(
+                "fake-family",
+                ByteString.copyFromUtf8("fake-qualifier"),
+                Range.TimestampRange.create(1000L, 2000L))
+            .setToken("fake-token")
+            .setEstimatedLowWatermark(FAKE_LOW_WATERMARK)
+            .build();
+
+    // Create the ChangeStreamMutation through the ChangeStreamRecordBuilder.
+    changeStreamRecordBuilder.startUserMutation(
+        ByteString.copyFromUtf8("key"), "fake-source-cluster-id", FAKE_COMMIT_TIMESTAMP, 0);
+    changeStreamRecordBuilder.deleteCells(
+        deleteFromColumn.getFamilyName(),
+        deleteFromColumn.getColumnQualifier(),
+        Range.TimestampRange.create(
+            deleteFromColumn.getTimeRange().getStartTimestampMicros(),
+            deleteFromColumn.getTimeRange().getEndTimestampMicros()));
+    assertThat(
+            changeStreamRecordBuilder.finishChangeStreamMutation("fake-token", FAKE_LOW_WATERMARK))
+        .isEqualTo(expectedChangeStreamMutation);
+    // Call again.
+    assertThat(
+            changeStreamRecordBuilder.finishChangeStreamMutation("fake-token", FAKE_LOW_WATERMARK))
+        .isEqualTo(expectedChangeStreamMutation);
+  }
+
+  @Test
+  public void singleNonChunkedCellTest() {
+    // Expected logical mutation in the change stream record.
+    ChangeStreamMutation expectedChangeStreamMutation =
+        ChangeStreamMutation.createUserMutation(
+                ByteString.copyFromUtf8("key"), "fake-source-cluster-id", FAKE_COMMIT_TIMESTAMP, 0)
+            .setCell(
+                "fake-family",
+                ByteString.copyFromUtf8("fake-qualifier"),
+                100L,
+                ByteString.copyFromUtf8("fake-value"))
+            .setToken("fake-token")
+            .setEstimatedLowWatermark(FAKE_LOW_WATERMARK)
+            .build();
+
+    // Create the ChangeStreamMutation through the ChangeStreamRecordBuilder.
+    // Suppose the SetCell is not chunked and the state machine calls `cellValue()` once.
+    changeStreamRecordBuilder.startUserMutation(
+        ByteString.copyFromUtf8("key"), "fake-source-cluster-id", FAKE_COMMIT_TIMESTAMP, 0);
+    changeStreamRecordBuilder.startCell(
+        "fake-family", ByteString.copyFromUtf8("fake-qualifier"), 100L);
+    changeStreamRecordBuilder.cellValue(ByteString.copyFromUtf8("fake-value"));
+    changeStreamRecordBuilder.finishCell();
+    assertThat(
+            changeStreamRecordBuilder.finishChangeStreamMutation("fake-token", FAKE_LOW_WATERMARK))
+        .isEqualTo(expectedChangeStreamMutation);
+    // Call again.
+    assertThat(
+            changeStreamRecordBuilder.finishChangeStreamMutation("fake-token", FAKE_LOW_WATERMARK))
+        .isEqualTo(expectedChangeStreamMutation);
+  }
+
+  @Test
+  public void singleChunkedCellTest() {
+    // Expected logical mutation in the change stream record.
+    ChangeStreamMutation expectedChangeStreamMutation =
+        ChangeStreamMutation.createUserMutation(
+                ByteString.copyFromUtf8("key"), "fake-source-cluster-id", FAKE_COMMIT_TIMESTAMP, 0)
+            .setCell(
+                "fake-family",
+                ByteString.copyFromUtf8("fake-qualifier"),
+                100L,
+                ByteString.copyFromUtf8("fake-value1-value2"))
+            .setToken("fake-token")
+            .setEstimatedLowWatermark(FAKE_LOW_WATERMARK)
+            .build();
+
+    // Create the ChangeStreamMutation through the ChangeStreamRecordBuilder.
+    // Suppose the SetCell is chunked into two pieces and the state machine calls `cellValue()`
+    // twice.
+    changeStreamRecordBuilder.startUserMutation(
+        ByteString.copyFromUtf8("key"), "fake-source-cluster-id", FAKE_COMMIT_TIMESTAMP, 0);
+    changeStreamRecordBuilder.startCell(
+        "fake-family", ByteString.copyFromUtf8("fake-qualifier"), 100L);
+    changeStreamRecordBuilder.cellValue(ByteString.copyFromUtf8("fake-value1"));
+    changeStreamRecordBuilder.cellValue(ByteString.copyFromUtf8("-value2"));
+    changeStreamRecordBuilder.finishCell();
+    assertThat(
+            changeStreamRecordBuilder.finishChangeStreamMutation("fake-token", FAKE_LOW_WATERMARK))
+        .isEqualTo(expectedChangeStreamMutation);
+    // Call again.
+    assertThat(
+            changeStreamRecordBuilder.finishChangeStreamMutation("fake-token", FAKE_LOW_WATERMARK))
+        .isEqualTo(expectedChangeStreamMutation);
+  }
+
+  @Test
+  public void multipleChunkedCellsTest() {
+    // Expected logical mutation in the change stream record.
+    ChangeStreamMutation.Builder expectedChangeStreamMutationBuilder =
+        ChangeStreamMutation.createUserMutation(
+            ByteString.copyFromUtf8("key"), "fake-source-cluster-id", FAKE_COMMIT_TIMESTAMP, 0);
+    for (int i = 0; i < 10; ++i) {
+      expectedChangeStreamMutationBuilder.setCell(
+          "fake-family",
+          ByteString.copyFromUtf8("fake-qualifier"),
+          100L,
+          ByteString.copyFromUtf8(i + "-fake-value1-value2-value3"));
+    }
+    expectedChangeStreamMutationBuilder
+        .setToken("fake-token")
+        .setEstimatedLowWatermark(FAKE_LOW_WATERMARK);
+
+    // Create the ChangeStreamMutation through the ChangeStreamRecordBuilder.
+    changeStreamRecordBuilder.startUserMutation(
+        ByteString.copyFromUtf8("key"), "fake-source-cluster-id", FAKE_COMMIT_TIMESTAMP, 0);
+    for (int i = 0; i < 10; ++i) {
+      changeStreamRecordBuilder.startCell(
+          "fake-family", ByteString.copyFromUtf8("fake-qualifier"), 100L);
+      changeStreamRecordBuilder.cellValue(ByteString.copyFromUtf8(i + "-fake-value1"));
+      changeStreamRecordBuilder.cellValue(ByteString.copyFromUtf8("-value2"));
+      changeStreamRecordBuilder.cellValue(ByteString.copyFromUtf8("-value3"));
+      changeStreamRecordBuilder.finishCell();
+    }
+    // Check that they're the same.
+    assertThat(
+            changeStreamRecordBuilder.finishChangeStreamMutation("fake-token", FAKE_LOW_WATERMARK))
+        .isEqualTo(expectedChangeStreamMutationBuilder.build());
+    // Call again.
+    assertThat(
+            changeStreamRecordBuilder.finishChangeStreamMutation("fake-token", FAKE_LOW_WATERMARK))
+        .isEqualTo(expectedChangeStreamMutationBuilder.build());
+  }
+
+  @Test
+  public void multipleDifferentModsTest() {
+    // Expected logical mutation in the change stream record, which contains one DeleteFromFamily,
+    // one non-chunked cell, and one chunked cell.
+    ChangeStreamMutation.Builder expectedChangeStreamMutationBuilder =
+        ChangeStreamMutation.createUserMutation(
+                ByteString.copyFromUtf8("key"), "fake-source-cluster-id", FAKE_COMMIT_TIMESTAMP, 0)
+            .deleteFamily("fake-family")
+            .setCell(
+                "fake-family",
+                ByteString.copyFromUtf8("fake-qualifier"),
+                100L,
+                ByteString.copyFromUtf8("non-chunked-value"))
+            .setCell(
+                "fake-family",
+                ByteString.copyFromUtf8("fake-qualifier"),
+                100L,
+                ByteString.copyFromUtf8("chunked-value"))
+            .setToken("fake-token")
+            .setEstimatedLowWatermark(FAKE_LOW_WATERMARK);
+
+    // Create the ChangeStreamMutation through the ChangeStreamRecordBuilder.
+    changeStreamRecordBuilder.startUserMutation(
+        ByteString.copyFromUtf8("key"), "fake-source-cluster-id", FAKE_COMMIT_TIMESTAMP, 0);
+    changeStreamRecordBuilder.deleteFamily("fake-family");
+    // Add non-chunked cell.
+    changeStreamRecordBuilder.startCell(
+        "fake-family", ByteString.copyFromUtf8("fake-qualifier"), 100L);
+    changeStreamRecordBuilder.cellValue(ByteString.copyFromUtf8("non-chunked-value"));
+    changeStreamRecordBuilder.finishCell();
+    // Add chunked cell.
+    changeStreamRecordBuilder.startCell(
+        "fake-family", ByteString.copyFromUtf8("fake-qualifier"), 100L);
+    changeStreamRecordBuilder.cellValue(ByteString.copyFromUtf8("chunked"));
+    changeStreamRecordBuilder.cellValue(ByteString.copyFromUtf8("-value"));
+    changeStreamRecordBuilder.finishCell();
+    assertThat(
+            changeStreamRecordBuilder.finishChangeStreamMutation("fake-token", FAKE_LOW_WATERMARK))
+        .isEqualTo(expectedChangeStreamMutationBuilder.build());
+  }
+
+  @Test
+  public void resetTest() {
+    // Build a Heartbeat.
+    ReadChangeStreamResponse.Heartbeat expectedHeartbeat =
+        ReadChangeStreamResponse.Heartbeat.getDefaultInstance();
+    assertThat(changeStreamRecordBuilder.onHeartbeat(expectedHeartbeat))
+        .isEqualTo(Heartbeat.fromProto(expectedHeartbeat));
+
+    // Reset and build a CloseStream.
+    changeStreamRecordBuilder.reset();
+    ReadChangeStreamResponse.CloseStream expectedCloseStream =
+        ReadChangeStreamResponse.CloseStream.getDefaultInstance();
+    assertThat(changeStreamRecordBuilder.onCloseStream(expectedCloseStream))
+        .isEqualTo(CloseStream.fromProto(expectedCloseStream));
+
+    // Reset and build a DeleteFamily.
+    changeStreamRecordBuilder.reset();
+    Mutation deleteFromFamily =
+        Mutation.newBuilder()
+            .setDeleteFromFamily(
+                Mutation.DeleteFromFamily.newBuilder().setFamilyName("fake-family").build())
+            .build();
+    ChangeStreamMutation expectedChangeStreamMutation =
+        ChangeStreamMutation.createUserMutation(
+                ByteString.copyFromUtf8("key"), "fake-source-cluster-id", FAKE_COMMIT_TIMESTAMP, 0)
+            .deleteFamily("fake-family")
+            .setToken("fake-token")
+            .setEstimatedLowWatermark(FAKE_LOW_WATERMARK)
+            .build();
+    changeStreamRecordBuilder.startUserMutation(
+        ByteString.copyFromUtf8("key"), "fake-source-cluster-id", FAKE_COMMIT_TIMESTAMP, 0);
+    changeStreamRecordBuilder.deleteFamily(deleteFromFamily.getDeleteFromFamily().getFamilyName());
+    assertThat(
+            changeStreamRecordBuilder.finishChangeStreamMutation("fake-token", FAKE_LOW_WATERMARK))
+        .isEqualTo(expectedChangeStreamMutation);
+
+    // Reset a build a cell.
+    changeStreamRecordBuilder.reset();
+    expectedChangeStreamMutation =
+        ChangeStreamMutation.createUserMutation(
+                ByteString.copyFromUtf8("key"), "fake-source-cluster-id", FAKE_COMMIT_TIMESTAMP, 0)
+            .setCell(
+                "fake-family",
+                ByteString.copyFromUtf8("fake-qualifier"),
+                100L,
+                ByteString.copyFromUtf8("fake-value1-value2"))
+            .setToken("fake-token")
+            .setEstimatedLowWatermark(FAKE_LOW_WATERMARK)
+            .build();
+
+    changeStreamRecordBuilder.startUserMutation(
+        ByteString.copyFromUtf8("key"), "fake-source-cluster-id", FAKE_COMMIT_TIMESTAMP, 0);
+    changeStreamRecordBuilder.startCell(
+        "fake-family", ByteString.copyFromUtf8("fake-qualifier"), 100L);
+    changeStreamRecordBuilder.cellValue(ByteString.copyFromUtf8("fake-value1"));
+    changeStreamRecordBuilder.cellValue(ByteString.copyFromUtf8("-value2"));
+    changeStreamRecordBuilder.finishCell();
+    assertThat(
+            changeStreamRecordBuilder.finishChangeStreamMutation("fake-token", FAKE_LOW_WATERMARK))
+        .isEqualTo(expectedChangeStreamMutation);
+  }
+}
diff --git a/google-cloud-bigtable/src/test/java/com/google/cloud/bigtable/data/v2/models/EntryTest.java b/google-cloud-bigtable/src/test/java/com/google/cloud/bigtable/data/v2/models/EntryTest.java
new file mode 100644
index 0000000000..748df81af6
--- /dev/null
+++ b/google-cloud-bigtable/src/test/java/com/google/cloud/bigtable/data/v2/models/EntryTest.java
@@ -0,0 +1,101 @@
+/*
+ * Copyright 2022 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.google.cloud.bigtable.data.v2.models;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import com.google.protobuf.ByteString;
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.io.ObjectInputStream;
+import java.io.ObjectOutputStream;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.JUnit4;
+
+@RunWith(JUnit4.class)
+public class EntryTest {
+  private void validateSerializationRoundTrip(Object obj)
+      throws IOException, ClassNotFoundException {
+    ByteArrayOutputStream bos = new ByteArrayOutputStream();
+    ObjectOutputStream oos = new ObjectOutputStream(bos);
+    oos.writeObject(obj);
+    oos.close();
+    ObjectInputStream ois = new ObjectInputStream(new ByteArrayInputStream(bos.toByteArray()));
+    assertThat(ois.readObject()).isEqualTo(obj);
+  }
+
+  @Test
+  public void serializationTest() throws IOException, ClassNotFoundException {
+    // DeleteFamily
+    Entry deleteFamilyEntry = DeleteFamily.create("fake-family");
+    validateSerializationRoundTrip(deleteFamilyEntry);
+
+    // DeleteCell
+    Entry deleteCellsEntry =
+        DeleteCells.create(
+            "fake-family",
+            ByteString.copyFromUtf8("fake-qualifier"),
+            Range.TimestampRange.create(1000L, 2000L));
+    validateSerializationRoundTrip(deleteCellsEntry);
+
+    // SetCell
+    Entry setCellEntry =
+        SetCell.create(
+            "fake-family",
+            ByteString.copyFromUtf8("fake-qualifier"),
+            1000,
+            ByteString.copyFromUtf8("fake-value"));
+    validateSerializationRoundTrip(setCellEntry);
+  }
+
+  @Test
+  public void deleteFamilyTest() {
+    Entry deleteFamilyEntry = DeleteFamily.create("fake-family");
+    DeleteFamily deleteFamily = (DeleteFamily) deleteFamilyEntry;
+    assertThat("fake-family").isEqualTo(deleteFamily.getFamilyName());
+  }
+
+  @Test
+  public void deleteCellsTest() {
+    Entry deleteCellEntry =
+        DeleteCells.create(
+            "fake-family",
+            ByteString.copyFromUtf8("fake-qualifier"),
+            Range.TimestampRange.create(1000L, 2000L));
+    DeleteCells deleteCells = (DeleteCells) deleteCellEntry;
+    assertThat("fake-family").isEqualTo(deleteCells.getFamilyName());
+    assertThat(ByteString.copyFromUtf8("fake-qualifier")).isEqualTo(deleteCells.getQualifier());
+    assertThat(Range.TimestampRange.create(1000L, 2000L))
+        .isEqualTo(deleteCells.getTimestampRange());
+  }
+
+  @Test
+  public void setSellTest() {
+    Entry setCellEntry =
+        SetCell.create(
+            "fake-family",
+            ByteString.copyFromUtf8("fake-qualifier"),
+            1000,
+            ByteString.copyFromUtf8("fake-value"));
+    SetCell setCell = (SetCell) setCellEntry;
+    assertThat("fake-family").isEqualTo(setCell.getFamilyName());
+    assertThat(ByteString.copyFromUtf8("fake-qualifier")).isEqualTo(setCell.getQualifier());
+    assertThat(1000).isEqualTo(setCell.getTimestamp());
+    assertThat(ByteString.copyFromUtf8("fake-value")).isEqualTo(setCell.getValue());
+  }
+}
diff --git a/google-cloud-bigtable/src/test/java/com/google/cloud/bigtable/data/v2/models/RangeTest.java b/google-cloud-bigtable/src/test/java/com/google/cloud/bigtable/data/v2/models/RangeTest.java
index eebdba5811..6f1061f8dc 100644
--- a/google-cloud-bigtable/src/test/java/com/google/cloud/bigtable/data/v2/models/RangeTest.java
+++ b/google-cloud-bigtable/src/test/java/com/google/cloud/bigtable/data/v2/models/RangeTest.java
@@ -21,6 +21,7 @@
 import com.google.cloud.bigtable.data.v2.models.Range.ByteStringRange;
 import com.google.cloud.bigtable.data.v2.models.Range.TimestampRange;
 import com.google.protobuf.ByteString;
+import com.google.protobuf.InvalidProtocolBufferException;
 import java.io.ByteArrayInputStream;
 import java.io.ByteArrayOutputStream;
 import java.io.IOException;
@@ -306,4 +307,14 @@ public void byteStringSerializationTest() throws IOException, ClassNotFoundExcep
     ByteStringRange actual = (ByteStringRange) ois.readObject();
     assertThat(actual).isEqualTo(expected);
   }
+
+  @Test
+  public void byteStringRangeToByteStringTest() throws InvalidProtocolBufferException {
+    ByteStringRange expected = ByteStringRange.create("a", "z");
+
+    ByteString serialized = ByteStringRange.serializeToByteString(expected);
+    ByteStringRange deserialized = ByteStringRange.toByteStringRange(serialized);
+
+    assertThat(expected).isEqualTo(deserialized);
+  }
 }
diff --git a/google-cloud-bigtable/src/test/java/com/google/cloud/bigtable/data/v2/models/ReadChangeStreamQueryTest.java b/google-cloud-bigtable/src/test/java/com/google/cloud/bigtable/data/v2/models/ReadChangeStreamQueryTest.java
new file mode 100644
index 0000000000..cf042e736c
--- /dev/null
+++ b/google-cloud-bigtable/src/test/java/com/google/cloud/bigtable/data/v2/models/ReadChangeStreamQueryTest.java
@@ -0,0 +1,360 @@
+/*
+ * Copyright 2022 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.google.cloud.bigtable.data.v2.models;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import com.google.bigtable.v2.ReadChangeStreamRequest;
+import com.google.bigtable.v2.ReadChangeStreamRequest.Builder;
+import com.google.bigtable.v2.RowRange;
+import com.google.bigtable.v2.StreamContinuationToken;
+import com.google.bigtable.v2.StreamContinuationTokens;
+import com.google.bigtable.v2.StreamPartition;
+import com.google.cloud.bigtable.data.v2.internal.NameUtil;
+import com.google.cloud.bigtable.data.v2.internal.RequestContext;
+import com.google.cloud.bigtable.data.v2.models.Range.ByteStringRange;
+import com.google.protobuf.ByteString;
+import com.google.protobuf.Duration;
+import com.google.protobuf.util.Timestamps;
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.io.ObjectInputStream;
+import java.io.ObjectOutputStream;
+import java.util.Collections;
+import org.junit.Before;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.rules.ExpectedException;
+import org.junit.runner.RunWith;
+import org.junit.runners.JUnit4;
+
+@RunWith(JUnit4.class)
+public class ReadChangeStreamQueryTest {
+  private static final String PROJECT_ID = "fake-project";
+  private static final String INSTANCE_ID = "fake-instance";
+  private static final String TABLE_ID = "fake-table";
+  private static final String APP_PROFILE_ID = "fake-profile-id";
+  private RequestContext requestContext;
+  private static final long FAKE_START_TIME = 1000L;
+  private static final long FAKE_END_TIME = 2000L;
+
+  @Rule public ExpectedException expect = ExpectedException.none();
+
+  @Before
+  public void setUp() {
+    requestContext = RequestContext.create(PROJECT_ID, INSTANCE_ID, APP_PROFILE_ID);
+  }
+
+  @Test
+  public void requestContextTest() {
+    ReadChangeStreamQuery query = ReadChangeStreamQuery.create(TABLE_ID);
+
+    ReadChangeStreamRequest proto = query.toProto(requestContext);
+    assertThat(proto).isEqualTo(expectedProtoBuilder().build());
+  }
+
+  @Test
+  public void streamPartitionTest() {
+    // Case 1: String.
+    ReadChangeStreamQuery query1 =
+        ReadChangeStreamQuery.create(TABLE_ID).streamPartition("simple-begin", "simple-end");
+    ReadChangeStreamRequest actualProto1 = query1.toProto(requestContext);
+    Builder expectedProto1 = expectedProtoBuilder();
+    expectedProto1.setPartition(
+        StreamPartition.newBuilder()
+            .setRowRange(
+                RowRange.newBuilder()
+                    .setStartKeyClosed(ByteString.copyFromUtf8("simple-begin"))
+                    .setEndKeyOpen(ByteString.copyFromUtf8("simple-end"))
+                    .build())
+            .build());
+    assertThat(actualProto1).isEqualTo(expectedProto1.build());
+
+    // Case 2: ByteString.
+    ReadChangeStreamQuery query2 =
+        ReadChangeStreamQuery.create(TABLE_ID)
+            .streamPartition(
+                ByteString.copyFromUtf8("byte-begin"), ByteString.copyFromUtf8("byte-end"));
+    ReadChangeStreamRequest actualProto2 = query2.toProto(requestContext);
+    Builder expectedProto2 = expectedProtoBuilder();
+    expectedProto2.setPartition(
+        StreamPartition.newBuilder()
+            .setRowRange(
+                RowRange.newBuilder()
+                    .setStartKeyClosed(ByteString.copyFromUtf8("byte-begin"))
+                    .setEndKeyOpen(ByteString.copyFromUtf8("byte-end"))
+                    .build())
+            .build());
+    assertThat(actualProto2).isEqualTo(expectedProto2.build());
+
+    // Case 3: ByteStringRange.
+    ReadChangeStreamQuery query3 =
+        ReadChangeStreamQuery.create(TABLE_ID)
+            .streamPartition(ByteStringRange.create("range-begin", "range-end"));
+    ReadChangeStreamRequest actualProto3 = query3.toProto(requestContext);
+    Builder expectedProto3 = expectedProtoBuilder();
+    expectedProto3.setPartition(
+        StreamPartition.newBuilder()
+            .setRowRange(
+                RowRange.newBuilder()
+                    .setStartKeyClosed(ByteString.copyFromUtf8("range-begin"))
+                    .setEndKeyOpen(ByteString.copyFromUtf8("range-end"))
+                    .build())
+            .build());
+    assertThat(actualProto3).isEqualTo(expectedProto3.build());
+  }
+
+  @Test
+  public void startTimeTest() {
+    ReadChangeStreamQuery query = ReadChangeStreamQuery.create(TABLE_ID).startTime(FAKE_START_TIME);
+
+    Builder expectedProto =
+        expectedProtoBuilder().setStartTime(Timestamps.fromNanos(FAKE_START_TIME));
+
+    ReadChangeStreamRequest actualProto = query.toProto(requestContext);
+    assertThat(actualProto).isEqualTo(expectedProto.build());
+  }
+
+  @Test
+  public void endTimeTest() {
+    ReadChangeStreamQuery query = ReadChangeStreamQuery.create(TABLE_ID).endTime(FAKE_END_TIME);
+
+    Builder expectedProto = expectedProtoBuilder().setEndTime(Timestamps.fromNanos(FAKE_END_TIME));
+
+    ReadChangeStreamRequest actualProto = query.toProto(requestContext);
+    assertThat(actualProto).isEqualTo(expectedProto.build());
+  }
+
+  @Test
+  public void heartbeatDurationTest() {
+    ReadChangeStreamQuery query =
+        ReadChangeStreamQuery.create(TABLE_ID).heartbeatDuration(java.time.Duration.ofSeconds(5));
+
+    Builder expectedProto =
+        expectedProtoBuilder()
+            .setHeartbeatDuration(com.google.protobuf.Duration.newBuilder().setSeconds(5).build());
+
+    ReadChangeStreamRequest actualProto = query.toProto(requestContext);
+    assertThat(actualProto).isEqualTo(expectedProto.build());
+  }
+
+  @Test
+  public void continuationTokensTest() {
+    StreamContinuationToken tokenProto =
+        StreamContinuationToken.newBuilder()
+            .setPartition(
+                StreamPartition.newBuilder()
+                    .setRowRange(
+                        RowRange.newBuilder()
+                            .setStartKeyClosed(ByteString.copyFromUtf8("start"))
+                            .setEndKeyOpen(ByteString.copyFromUtf8("end"))
+                            .build())
+                    .build())
+            .setToken("random-token")
+            .build();
+    ChangeStreamContinuationToken token = ChangeStreamContinuationToken.fromProto(tokenProto);
+    ReadChangeStreamQuery query =
+        ReadChangeStreamQuery.create(TABLE_ID).continuationTokens(Collections.singletonList(token));
+
+    Builder expectedProto =
+        expectedProtoBuilder()
+            .setContinuationTokens(
+                StreamContinuationTokens.newBuilder().addTokens(tokenProto).build());
+
+    ReadChangeStreamRequest actualProto = query.toProto(requestContext);
+    assertThat(actualProto).isEqualTo(expectedProto.build());
+  }
+
+  @Test(expected = IllegalStateException.class)
+  public void createWithStartTimeAndContinuationTokensTest() {
+    StreamContinuationToken tokenProto =
+        StreamContinuationToken.newBuilder()
+            .setPartition(
+                StreamPartition.newBuilder()
+                    .setRowRange(
+                        RowRange.newBuilder()
+                            .setStartKeyClosed(ByteString.copyFromUtf8("start"))
+                            .setEndKeyOpen(ByteString.copyFromUtf8("end"))
+                            .build())
+                    .build())
+            .setToken("random-token")
+            .build();
+    ChangeStreamContinuationToken token = ChangeStreamContinuationToken.fromProto(tokenProto);
+    ReadChangeStreamQuery query =
+        ReadChangeStreamQuery.create(TABLE_ID)
+            .startTime(FAKE_START_TIME)
+            .continuationTokens(Collections.singletonList(token));
+    expect.expect(IllegalArgumentException.class);
+    expect.expectMessage("startTime and continuationTokens can't be specified together");
+  }
+
+  @Test
+  public void serializationTest() throws IOException, ClassNotFoundException {
+    StreamContinuationToken tokenProto =
+        StreamContinuationToken.newBuilder()
+            .setPartition(
+                StreamPartition.newBuilder()
+                    .setRowRange(
+                        RowRange.newBuilder()
+                            .setStartKeyClosed(ByteString.copyFromUtf8("start"))
+                            .setEndKeyOpen(ByteString.copyFromUtf8("end"))
+                            .build())
+                    .build())
+            .setToken("random-token")
+            .build();
+    ChangeStreamContinuationToken token = ChangeStreamContinuationToken.fromProto(tokenProto);
+    ReadChangeStreamQuery expected =
+        ReadChangeStreamQuery.create(TABLE_ID)
+            .streamPartition("simple-begin", "simple-end")
+            .continuationTokens(Collections.singletonList(token))
+            .endTime(FAKE_END_TIME)
+            .heartbeatDuration(java.time.Duration.ofSeconds(5));
+
+    ByteArrayOutputStream bos = new ByteArrayOutputStream();
+    ObjectOutputStream oos = new ObjectOutputStream(bos);
+    oos.writeObject(expected);
+    oos.close();
+
+    ObjectInputStream ois = new ObjectInputStream(new ByteArrayInputStream(bos.toByteArray()));
+
+    ReadChangeStreamQuery actual = (ReadChangeStreamQuery) ois.readObject();
+    assertThat(actual.toProto(requestContext)).isEqualTo(expected.toProto(requestContext));
+  }
+
+  private static ReadChangeStreamRequest.Builder expectedProtoBuilder() {
+    return ReadChangeStreamRequest.newBuilder()
+        .setTableName(NameUtil.formatTableName(PROJECT_ID, INSTANCE_ID, TABLE_ID))
+        .setAppProfileId(APP_PROFILE_ID);
+  }
+
+  @Test
+  public void testFromProto() {
+    StreamContinuationToken token =
+        StreamContinuationToken.newBuilder()
+            .setPartition(
+                StreamPartition.newBuilder()
+                    .setRowRange(
+                        RowRange.newBuilder()
+                            .setStartKeyClosed(ByteString.copyFromUtf8(""))
+                            .setEndKeyOpen(ByteString.copyFromUtf8(""))
+                            .build())
+                    .build())
+            .setToken("random-token")
+            .build();
+    ReadChangeStreamRequest request =
+        ReadChangeStreamRequest.newBuilder()
+            .setTableName(NameUtil.formatTableName(PROJECT_ID, INSTANCE_ID, TABLE_ID))
+            .setAppProfileId(APP_PROFILE_ID)
+            .setPartition(
+                StreamPartition.newBuilder()
+                    .setRowRange(
+                        RowRange.newBuilder()
+                            .setStartKeyClosed(ByteString.copyFromUtf8(""))
+                            .setEndKeyClosed(ByteString.copyFromUtf8(""))
+                            .build()))
+            .setContinuationTokens(StreamContinuationTokens.newBuilder().addTokens(token).build())
+            .setEndTime(Timestamps.fromNanos(FAKE_END_TIME))
+            .setHeartbeatDuration(Duration.newBuilder().setSeconds(5).build())
+            .build();
+    ReadChangeStreamQuery query = ReadChangeStreamQuery.fromProto(request);
+    assertThat(query.toProto(requestContext)).isEqualTo(request);
+  }
+
+  @Test(expected = IllegalArgumentException.class)
+  public void testFromProtoWithEmptyTableId() {
+    ReadChangeStreamQuery.fromProto(ReadChangeStreamRequest.getDefaultInstance());
+
+    expect.expect(IllegalArgumentException.class);
+    expect.expectMessage("Invalid table name:");
+  }
+
+  @Test
+  public void testEquality() {
+    ReadChangeStreamQuery request =
+        ReadChangeStreamQuery.create(TABLE_ID)
+            .streamPartition("simple-begin", "simple-end")
+            .startTime(FAKE_START_TIME)
+            .endTime(FAKE_END_TIME)
+            .heartbeatDuration(java.time.Duration.ofSeconds(5));
+
+    // ReadChangeStreamQuery#toProto should not change the ReadChangeStreamQuery instance state
+    request.toProto(requestContext);
+    assertThat(request)
+        .isEqualTo(
+            ReadChangeStreamQuery.create(TABLE_ID)
+                .streamPartition("simple-begin", "simple-end")
+                .startTime(FAKE_START_TIME)
+                .endTime(FAKE_END_TIME)
+                .heartbeatDuration(java.time.Duration.ofSeconds(5)));
+
+    assertThat(ReadChangeStreamQuery.create(TABLE_ID).streamPartition("begin-1", "end-1"))
+        .isNotEqualTo(ReadChangeStreamQuery.create(TABLE_ID).streamPartition("begin-2", "end-1"));
+    assertThat(ReadChangeStreamQuery.create(TABLE_ID).startTime(FAKE_START_TIME))
+        .isNotEqualTo(ReadChangeStreamQuery.create(TABLE_ID).startTime(1001L));
+    assertThat(ReadChangeStreamQuery.create(TABLE_ID).endTime(FAKE_END_TIME))
+        .isNotEqualTo(ReadChangeStreamQuery.create(TABLE_ID).endTime(1001L));
+    assertThat(
+            ReadChangeStreamQuery.create(TABLE_ID)
+                .heartbeatDuration(java.time.Duration.ofSeconds(5)))
+        .isNotEqualTo(
+            ReadChangeStreamQuery.create(TABLE_ID)
+                .heartbeatDuration(java.time.Duration.ofSeconds(6)));
+  }
+
+  @Test
+  public void testClone() {
+    StreamContinuationToken tokenProto =
+        StreamContinuationToken.newBuilder()
+            .setPartition(
+                StreamPartition.newBuilder()
+                    .setRowRange(
+                        RowRange.newBuilder()
+                            .setStartKeyClosed(ByteString.copyFromUtf8("start"))
+                            .setEndKeyOpen(ByteString.copyFromUtf8("end"))
+                            .build())
+                    .build())
+            .setToken("random-token")
+            .build();
+    ChangeStreamContinuationToken token = ChangeStreamContinuationToken.fromProto(tokenProto);
+    ReadChangeStreamQuery query =
+        ReadChangeStreamQuery.create(TABLE_ID)
+            .streamPartition("begin", "end")
+            .continuationTokens(Collections.singletonList(token))
+            .endTime(FAKE_END_TIME)
+            .heartbeatDuration(java.time.Duration.ofSeconds(5));
+    ReadChangeStreamRequest request =
+        ReadChangeStreamRequest.newBuilder()
+            .setTableName(NameUtil.formatTableName(PROJECT_ID, INSTANCE_ID, TABLE_ID))
+            .setAppProfileId(APP_PROFILE_ID)
+            .setPartition(
+                StreamPartition.newBuilder()
+                    .setRowRange(
+                        RowRange.newBuilder()
+                            .setStartKeyClosed(ByteString.copyFromUtf8("begin"))
+                            .setEndKeyOpen(ByteString.copyFromUtf8("end"))
+                            .build()))
+            .setContinuationTokens(
+                StreamContinuationTokens.newBuilder().addTokens(tokenProto).build())
+            .setEndTime(Timestamps.fromNanos(FAKE_END_TIME))
+            .setHeartbeatDuration(Duration.newBuilder().setSeconds(5).build())
+            .build();
+
+    ReadChangeStreamQuery clonedReq = query.clone();
+    assertThat(clonedReq).isEqualTo(query);
+    assertThat(clonedReq.toProto(requestContext)).isEqualTo(request);
+  }
+}
diff --git a/google-cloud-bigtable/src/test/java/com/google/cloud/bigtable/data/v2/stub/ConvertExceptionCallableTest.java b/google-cloud-bigtable/src/test/java/com/google/cloud/bigtable/data/v2/stub/ConvertExceptionCallableTest.java
new file mode 100644
index 0000000000..534d341914
--- /dev/null
+++ b/google-cloud-bigtable/src/test/java/com/google/cloud/bigtable/data/v2/stub/ConvertExceptionCallableTest.java
@@ -0,0 +1,76 @@
+/*
+ * Copyright 2018 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.google.cloud.bigtable.data.v2.stub;
+
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+
+import com.google.api.gax.grpc.GrpcStatusCode;
+import com.google.api.gax.rpc.ApiCallContext;
+import com.google.api.gax.rpc.ApiException;
+import com.google.api.gax.rpc.InternalException;
+import com.google.api.gax.rpc.ResponseObserver;
+import com.google.api.gax.rpc.ServerStreamingCallable;
+import io.grpc.Status;
+import io.grpc.StatusRuntimeException;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.JUnit4;
+
+@RunWith(JUnit4.class)
+public class ConvertExceptionCallableTest {
+
+  @Test
+  public void rstStreamExceptionConvertedToRetryableTest() {
+    ApiException originalException =
+        new InternalException(
+            new StatusRuntimeException(
+                Status.INTERNAL.withDescription(
+                    "INTERNAL: HTTP/2 error code: INTERNAL_ERROR\nReceived Rst Stream")),
+            GrpcStatusCode.of(Status.Code.INTERNAL),
+            false);
+    assertFalse(originalException.isRetryable());
+    SettableExceptionCallable<String, String> settableExceptionCallable =
+        new SettableExceptionCallable<>(originalException);
+    ConvertExceptionCallable<String, String> convertStreamExceptionCallable =
+        new ConvertExceptionCallable<>(settableExceptionCallable);
+
+    Throwable actualError = null;
+    try {
+      convertStreamExceptionCallable.all().call("fake-request");
+    } catch (Throwable t) {
+      actualError = t;
+    }
+    assert actualError instanceof InternalException;
+    InternalException actualException = (InternalException) actualError;
+    assertTrue(actualException.isRetryable());
+  }
+
+  private static final class SettableExceptionCallable<RequestT, ResponseT>
+      extends ServerStreamingCallable<RequestT, ResponseT> {
+    private final Throwable throwable;
+
+    public SettableExceptionCallable(Throwable throwable) {
+      this.throwable = throwable;
+    }
+
+    @Override
+    public void call(
+        RequestT request, ResponseObserver<ResponseT> responseObserver, ApiCallContext context) {
+      responseObserver.onError(throwable);
+    }
+  }
+}
diff --git a/google-cloud-bigtable/src/test/java/com/google/cloud/bigtable/data/v2/stub/EnhancedBigtableStubSettingsTest.java b/google-cloud-bigtable/src/test/java/com/google/cloud/bigtable/data/v2/stub/EnhancedBigtableStubSettingsTest.java
index 466355f892..a754421ad9 100644
--- a/google-cloud-bigtable/src/test/java/com/google/cloud/bigtable/data/v2/stub/EnhancedBigtableStubSettingsTest.java
+++ b/google-cloud-bigtable/src/test/java/com/google/cloud/bigtable/data/v2/stub/EnhancedBigtableStubSettingsTest.java
@@ -645,6 +645,83 @@ public void checkAndMutateRowSettingsAreNotLostTest() {
         .isEqualTo(retrySettings);
   }
 
+  @Test
+  public void generateInitialChangeStreamPartitionsSettingsAreNotLostTest() {
+    String dummyProjectId = "my-project";
+    String dummyInstanceId = "my-instance";
+
+    EnhancedBigtableStubSettings.Builder builder =
+        EnhancedBigtableStubSettings.newBuilder()
+            .setProjectId(dummyProjectId)
+            .setInstanceId(dummyInstanceId)
+            .setRefreshingChannel(false);
+
+    RetrySettings retrySettings = RetrySettings.newBuilder().build();
+    builder
+        .generateInitialChangeStreamPartitionsSettings()
+        .setRetryableCodes(Code.ABORTED, Code.DEADLINE_EXCEEDED)
+        .setRetrySettings(retrySettings)
+        .build();
+
+    assertThat(builder.generateInitialChangeStreamPartitionsSettings().getRetryableCodes())
+        .containsAtLeast(Code.ABORTED, Code.DEADLINE_EXCEEDED);
+    assertThat(builder.generateInitialChangeStreamPartitionsSettings().getRetrySettings())
+        .isEqualTo(retrySettings);
+
+    assertThat(builder.build().generateInitialChangeStreamPartitionsSettings().getRetryableCodes())
+        .containsAtLeast(Code.ABORTED, Code.DEADLINE_EXCEEDED);
+    assertThat(builder.build().generateInitialChangeStreamPartitionsSettings().getRetrySettings())
+        .isEqualTo(retrySettings);
+
+    assertThat(
+            builder
+                .build()
+                .toBuilder()
+                .generateInitialChangeStreamPartitionsSettings()
+                .getRetryableCodes())
+        .containsAtLeast(Code.ABORTED, Code.DEADLINE_EXCEEDED);
+    assertThat(
+            builder
+                .build()
+                .toBuilder()
+                .generateInitialChangeStreamPartitionsSettings()
+                .getRetrySettings())
+        .isEqualTo(retrySettings);
+  }
+
+  @Test
+  public void readChangeStreamSettingsAreNotLostTest() {
+    String dummyProjectId = "my-project";
+    String dummyInstanceId = "my-instance";
+
+    EnhancedBigtableStubSettings.Builder builder =
+        EnhancedBigtableStubSettings.newBuilder()
+            .setProjectId(dummyProjectId)
+            .setInstanceId(dummyInstanceId)
+            .setRefreshingChannel(false);
+
+    RetrySettings retrySettings = RetrySettings.newBuilder().build();
+    builder
+        .readChangeStreamSettings()
+        .setRetryableCodes(Code.ABORTED, Code.DEADLINE_EXCEEDED)
+        .setRetrySettings(retrySettings)
+        .build();
+
+    assertThat(builder.readChangeStreamSettings().getRetryableCodes())
+        .containsAtLeast(Code.ABORTED, Code.DEADLINE_EXCEEDED);
+    assertThat(builder.readChangeStreamSettings().getRetrySettings()).isEqualTo(retrySettings);
+
+    assertThat(builder.build().readChangeStreamSettings().getRetryableCodes())
+        .containsAtLeast(Code.ABORTED, Code.DEADLINE_EXCEEDED);
+    assertThat(builder.build().readChangeStreamSettings().getRetrySettings())
+        .isEqualTo(retrySettings);
+
+    assertThat(builder.build().toBuilder().readChangeStreamSettings().getRetryableCodes())
+        .containsAtLeast(Code.ABORTED, Code.DEADLINE_EXCEEDED);
+    assertThat(builder.build().toBuilder().readChangeStreamSettings().getRetrySettings())
+        .isEqualTo(retrySettings);
+  }
+
   @Test
   public void checkAndMutateRowSettingsAreSane() {
     UnaryCallSettings.Builder<ConditionalRowMutation, Boolean> builder =
@@ -719,6 +796,8 @@ public void isRefreshingChannelFalseValueTest() {
     "bulkReadRowsSettings",
     "checkAndMutateRowSettings",
     "readModifyWriteRowSettings",
+    "generateInitialChangeStreamPartitionsSettings",
+    "readChangeStreamSettings",
     "pingAndWarmSettings",
   };
 
diff --git a/google-cloud-bigtable/src/test/java/com/google/cloud/bigtable/data/v2/stub/changestream/ChangeStreamRecordMergingCallableTest.java b/google-cloud-bigtable/src/test/java/com/google/cloud/bigtable/data/v2/stub/changestream/ChangeStreamRecordMergingCallableTest.java
new file mode 100644
index 0000000000..17849c9250
--- /dev/null
+++ b/google-cloud-bigtable/src/test/java/com/google/cloud/bigtable/data/v2/stub/changestream/ChangeStreamRecordMergingCallableTest.java
@@ -0,0 +1,127 @@
+/*
+ * Copyright 2022 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.google.cloud.bigtable.data.v2.stub.changestream;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import com.google.bigtable.v2.ReadChangeStreamRequest;
+import com.google.bigtable.v2.ReadChangeStreamResponse;
+import com.google.bigtable.v2.RowRange;
+import com.google.bigtable.v2.StreamContinuationToken;
+import com.google.bigtable.v2.StreamPartition;
+import com.google.cloud.bigtable.data.v2.models.ChangeStreamContinuationToken;
+import com.google.cloud.bigtable.data.v2.models.ChangeStreamRecord;
+import com.google.cloud.bigtable.data.v2.models.CloseStream;
+import com.google.cloud.bigtable.data.v2.models.DefaultChangeStreamRecordAdapter;
+import com.google.cloud.bigtable.data.v2.models.Heartbeat;
+import com.google.cloud.bigtable.data.v2.models.Range.ByteStringRange;
+import com.google.cloud.bigtable.gaxx.testing.FakeStreamingApi;
+import com.google.cloud.bigtable.gaxx.testing.FakeStreamingApi.ServerStreamingStashCallable;
+import com.google.protobuf.ByteString;
+import com.google.protobuf.Timestamp;
+import com.google.rpc.Status;
+import java.util.Collections;
+import java.util.List;
+import org.junit.Assert;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.JUnit4;
+
+/**
+ * Additional tests in addition to {@link ReadChangeStreamMergingAcceptanceTest}.
+ *
+ * <p>All the ChangeStreamMutation tests are in {@link ReadChangeStreamMergingAcceptanceTest}.
+ */
+@RunWith(JUnit4.class)
+public class ChangeStreamRecordMergingCallableTest {
+
+  @Test
+  public void heartbeatTest() {
+    RowRange rowRange = RowRange.newBuilder().getDefaultInstanceForType();
+    ReadChangeStreamResponse.Heartbeat heartbeatProto =
+        ReadChangeStreamResponse.Heartbeat.newBuilder()
+            .setEstimatedLowWatermark(Timestamp.newBuilder().setSeconds(1000).build())
+            .setContinuationToken(
+                StreamContinuationToken.newBuilder()
+                    .setPartition(StreamPartition.newBuilder().setRowRange(rowRange))
+                    .setToken("random-token")
+                    .build())
+            .build();
+    ReadChangeStreamResponse response =
+        ReadChangeStreamResponse.newBuilder().setHeartbeat(heartbeatProto).build();
+    FakeStreamingApi.ServerStreamingStashCallable<ReadChangeStreamRequest, ReadChangeStreamResponse>
+        inner = new ServerStreamingStashCallable<>(Collections.singletonList(response));
+
+    ChangeStreamRecordMergingCallable<ChangeStreamRecord> mergingCallable =
+        new ChangeStreamRecordMergingCallable<>(inner, new DefaultChangeStreamRecordAdapter());
+    List<ChangeStreamRecord> results =
+        mergingCallable.all().call(ReadChangeStreamRequest.getDefaultInstance());
+
+    // Validate the result.
+    assertThat(results.size()).isEqualTo(1);
+    ChangeStreamRecord record = results.get(0);
+    Assert.assertTrue(record instanceof Heartbeat);
+    Heartbeat heartbeat = (Heartbeat) record;
+    assertThat(heartbeat.getChangeStreamContinuationToken().getPartition())
+        .isEqualTo(ByteStringRange.create(rowRange.getStartKeyClosed(), rowRange.getEndKeyOpen()));
+    assertThat(heartbeat.getChangeStreamContinuationToken().getToken())
+        .isEqualTo(heartbeatProto.getContinuationToken().getToken());
+    assertThat(heartbeat.getEstimatedLowWatermark())
+        .isEqualTo(heartbeatProto.getEstimatedLowWatermark());
+  }
+
+  @Test
+  public void closeStreamTest() {
+    RowRange rowRange =
+        RowRange.newBuilder()
+            .setStartKeyClosed(ByteString.copyFromUtf8(""))
+            .setEndKeyOpen(ByteString.copyFromUtf8(""))
+            .build();
+    StreamContinuationToken streamContinuationToken =
+        StreamContinuationToken.newBuilder()
+            .setPartition(StreamPartition.newBuilder().setRowRange(rowRange).build())
+            .setToken("random-token")
+            .build();
+    ReadChangeStreamResponse.CloseStream closeStreamProto =
+        ReadChangeStreamResponse.CloseStream.newBuilder()
+            .addContinuationTokens(streamContinuationToken)
+            .setStatus(Status.newBuilder().setCode(0).build())
+            .build();
+    ReadChangeStreamResponse response =
+        ReadChangeStreamResponse.newBuilder().setCloseStream(closeStreamProto).build();
+    FakeStreamingApi.ServerStreamingStashCallable<ReadChangeStreamRequest, ReadChangeStreamResponse>
+        inner = new ServerStreamingStashCallable<>(Collections.singletonList(response));
+
+    ChangeStreamRecordMergingCallable<ChangeStreamRecord> mergingCallable =
+        new ChangeStreamRecordMergingCallable<>(inner, new DefaultChangeStreamRecordAdapter());
+    List<ChangeStreamRecord> results =
+        mergingCallable.all().call(ReadChangeStreamRequest.getDefaultInstance());
+
+    // Validate the result.
+    assertThat(results.size()).isEqualTo(1);
+    ChangeStreamRecord record = results.get(0);
+    Assert.assertTrue(record instanceof CloseStream);
+    CloseStream closeStream = (CloseStream) record;
+    assertThat(closeStream.getStatus()).isEqualTo(closeStreamProto.getStatus());
+    assertThat(closeStream.getChangeStreamContinuationTokens().size()).isEqualTo(1);
+    ChangeStreamContinuationToken changeStreamContinuationToken =
+        closeStream.getChangeStreamContinuationTokens().get(0);
+    assertThat(changeStreamContinuationToken.getPartition())
+        .isEqualTo(ByteStringRange.create(rowRange.getStartKeyClosed(), rowRange.getEndKeyOpen()));
+    assertThat(changeStreamContinuationToken.getToken())
+        .isEqualTo(streamContinuationToken.getToken());
+  }
+}
diff --git a/google-cloud-bigtable/src/test/java/com/google/cloud/bigtable/data/v2/stub/changestream/ChangeStreamStateMachineTest.java b/google-cloud-bigtable/src/test/java/com/google/cloud/bigtable/data/v2/stub/changestream/ChangeStreamStateMachineTest.java
new file mode 100644
index 0000000000..d86df91c35
--- /dev/null
+++ b/google-cloud-bigtable/src/test/java/com/google/cloud/bigtable/data/v2/stub/changestream/ChangeStreamStateMachineTest.java
@@ -0,0 +1,61 @@
+/*
+ * Copyright 2022 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.google.cloud.bigtable.data.v2.stub.changestream;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import com.google.bigtable.v2.ReadChangeStreamResponse;
+import com.google.cloud.bigtable.data.v2.models.ChangeStreamRecord;
+import com.google.cloud.bigtable.data.v2.models.DefaultChangeStreamRecordAdapter;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.JUnit4;
+
+@RunWith(JUnit4.class)
+public class ChangeStreamStateMachineTest {
+  ChangeStreamStateMachine<ChangeStreamRecord> changeStreamStateMachine;
+
+  @Before
+  public void setUp() throws Exception {
+    changeStreamStateMachine =
+        new ChangeStreamStateMachine<>(
+            new DefaultChangeStreamRecordAdapter().createChangeStreamRecordBuilder());
+  }
+
+  @Test
+  public void testErrorHandlingStats() {
+    ReadChangeStreamResponse.DataChange dataChange =
+        ReadChangeStreamResponse.DataChange.newBuilder().build();
+
+    ChangeStreamStateMachine.InvalidInputException actualError = null;
+    try {
+      changeStreamStateMachine.handleDataChange(dataChange);
+    } catch (ChangeStreamStateMachine.InvalidInputException e) {
+      actualError = e;
+    }
+
+    assertThat(actualError)
+        .hasMessageThat()
+        .containsMatch("AWAITING_NEW_STREAM_RECORD: First data change missing rowKey");
+    assertThat(actualError).hasMessageThat().contains("numHeartbeats: 0");
+    assertThat(actualError).hasMessageThat().contains("numCloseStreams: 0");
+    assertThat(actualError).hasMessageThat().contains("numDataChanges: 1");
+    assertThat(actualError).hasMessageThat().contains("numNonCellMods: 0");
+    assertThat(actualError).hasMessageThat().contains("numCellChunks: 0");
+    assertThat(actualError).hasMessageThat().contains("actualTotalSizeOfChunkedSetCell: 0");
+  }
+}
diff --git a/google-cloud-bigtable/src/test/java/com/google/cloud/bigtable/data/v2/stub/changestream/GenerateInitialChangeStreamPartitionsUserCallableTest.java b/google-cloud-bigtable/src/test/java/com/google/cloud/bigtable/data/v2/stub/changestream/GenerateInitialChangeStreamPartitionsUserCallableTest.java
new file mode 100644
index 0000000000..885b1c6355
--- /dev/null
+++ b/google-cloud-bigtable/src/test/java/com/google/cloud/bigtable/data/v2/stub/changestream/GenerateInitialChangeStreamPartitionsUserCallableTest.java
@@ -0,0 +1,83 @@
+/*
+ * Copyright 2018 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.google.cloud.bigtable.data.v2.stub.changestream;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import com.google.bigtable.v2.GenerateInitialChangeStreamPartitionsRequest;
+import com.google.bigtable.v2.GenerateInitialChangeStreamPartitionsResponse;
+import com.google.bigtable.v2.RowRange;
+import com.google.bigtable.v2.StreamPartition;
+import com.google.cloud.bigtable.data.v2.internal.NameUtil;
+import com.google.cloud.bigtable.data.v2.internal.RequestContext;
+import com.google.cloud.bigtable.data.v2.models.Range.ByteStringRange;
+import com.google.cloud.bigtable.gaxx.testing.FakeStreamingApi;
+import com.google.common.collect.Lists;
+import com.google.common.truth.Truth;
+import java.util.List;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.JUnit4;
+
+@RunWith(JUnit4.class)
+public class GenerateInitialChangeStreamPartitionsUserCallableTest {
+  private final RequestContext requestContext =
+      RequestContext.create("my-project", "my-instance", "my-profile");
+
+  @Test
+  public void requestIsCorrect() {
+    FakeStreamingApi.ServerStreamingStashCallable<
+            GenerateInitialChangeStreamPartitionsRequest,
+            GenerateInitialChangeStreamPartitionsResponse>
+        inner = new FakeStreamingApi.ServerStreamingStashCallable<>(Lists.newArrayList());
+    GenerateInitialChangeStreamPartitionsUserCallable
+        generateInitialChangeStreamPartitionsUserCallable =
+            new GenerateInitialChangeStreamPartitionsUserCallable(inner, requestContext);
+
+    generateInitialChangeStreamPartitionsUserCallable.all().call("my-table");
+    assertThat(inner.getActualRequest())
+        .isEqualTo(
+            GenerateInitialChangeStreamPartitionsRequest.newBuilder()
+                .setTableName(
+                    NameUtil.formatTableName(
+                        requestContext.getProjectId(), requestContext.getInstanceId(), "my-table"))
+                .setAppProfileId(requestContext.getAppProfileId())
+                .build());
+  }
+
+  @Test
+  public void responseIsConverted() {
+    FakeStreamingApi.ServerStreamingStashCallable<
+            GenerateInitialChangeStreamPartitionsRequest,
+            GenerateInitialChangeStreamPartitionsResponse>
+        inner =
+            new FakeStreamingApi.ServerStreamingStashCallable<>(
+                Lists.newArrayList(
+                    GenerateInitialChangeStreamPartitionsResponse.newBuilder()
+                        .setPartition(
+                            StreamPartition.newBuilder()
+                                .setRowRange(RowRange.newBuilder().getDefaultInstanceForType())
+                                .build())
+                        .build()));
+    GenerateInitialChangeStreamPartitionsUserCallable
+        generateInitialChangeStreamPartitionsUserCallable =
+            new GenerateInitialChangeStreamPartitionsUserCallable(inner, requestContext);
+
+    List<ByteStringRange> results =
+        generateInitialChangeStreamPartitionsUserCallable.all().call("my-table");
+    Truth.assertThat(results).containsExactly(ByteStringRange.create("", ""));
+  }
+}
diff --git a/google-cloud-bigtable/src/test/java/com/google/cloud/bigtable/data/v2/stub/changestream/ReadChangeStreamMergingAcceptanceTest.java b/google-cloud-bigtable/src/test/java/com/google/cloud/bigtable/data/v2/stub/changestream/ReadChangeStreamMergingAcceptanceTest.java
new file mode 100644
index 0000000000..b745d7ef2d
--- /dev/null
+++ b/google-cloud-bigtable/src/test/java/com/google/cloud/bigtable/data/v2/stub/changestream/ReadChangeStreamMergingAcceptanceTest.java
@@ -0,0 +1,284 @@
+/*
+ * Copyright 2022 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.google.cloud.bigtable.data.v2.stub.changestream;
+
+import static com.google.common.truth.Truth.assertThat;
+import static com.google.common.truth.Truth.assertWithMessage;
+
+import com.google.api.client.util.Lists;
+import com.google.api.gax.rpc.ServerStream;
+import com.google.api.gax.rpc.ServerStreamingCallable;
+import com.google.bigtable.v2.Mutation;
+import com.google.bigtable.v2.ReadChangeStreamRequest;
+import com.google.bigtable.v2.ReadChangeStreamResponse;
+import com.google.bigtable.v2.ReadChangeStreamResponse.DataChange.Type;
+import com.google.bigtable.v2.RowRange;
+import com.google.bigtable.v2.StreamContinuationToken;
+import com.google.bigtable.v2.StreamPartition;
+import com.google.bigtable.v2.TimestampRange;
+import com.google.cloud.bigtable.data.v2.models.ChangeStreamContinuationToken;
+import com.google.cloud.bigtable.data.v2.models.ChangeStreamMutation;
+import com.google.cloud.bigtable.data.v2.models.ChangeStreamRecord;
+import com.google.cloud.bigtable.data.v2.models.CloseStream;
+import com.google.cloud.bigtable.data.v2.models.DefaultChangeStreamRecordAdapter;
+import com.google.cloud.bigtable.data.v2.models.DeleteCells;
+import com.google.cloud.bigtable.data.v2.models.DeleteFamily;
+import com.google.cloud.bigtable.data.v2.models.Entry;
+import com.google.cloud.bigtable.data.v2.models.Heartbeat;
+import com.google.cloud.bigtable.data.v2.models.SetCell;
+import com.google.cloud.bigtable.gaxx.testing.FakeStreamingApi;
+import com.google.cloud.conformance.bigtable.v2.ChangeStreamTestDefinition.ChangeStreamTestFile;
+import com.google.cloud.conformance.bigtable.v2.ChangeStreamTestDefinition.ReadChangeStreamTest;
+import com.google.common.base.CaseFormat;
+import com.google.protobuf.util.JsonFormat;
+import com.google.protobuf.util.Timestamps;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.List;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.Parameterized;
+
+/**
+ * Parses and runs the acceptance tests for read change stream. Currently, this test is only used by
+ * the JAVA library. If in the future we need cross-language support, we should move the test proto
+ * to <a
+ * href="https://github.com/googleapis/conformance-tests/tree/main/bigtable/v2/proto/google/cloud/conformance/bigtable/v2">https://github.com/googleapis/conformance-tests/tree/main/bigtable/v2/proto/google/cloud/conformance/bigtable/v2</a>
+ * and the test data to <a
+ * href="https://github.com/googleapis/conformance-tests/blob/main/bigtable/v2/changestream.json">https://github.com/googleapis/conformance-tests/blob/main/bigtable/v2/changestream.json</a>
+ */
+@RunWith(Parameterized.class)
+public class ReadChangeStreamMergingAcceptanceTest {
+  // Location: `google-cloud-bigtable/src/test/resources/changestream.json`
+  private static final String TEST_DATA_JSON_RESOURCE = "changestream.json";
+
+  private final ReadChangeStreamTest testCase;
+
+  /**
+   * @param testData The serialized test data representing the test case.
+   * @param junitName Not used by the test, but used by the parameterized test runner as the name of
+   *     the test.
+   */
+  public ReadChangeStreamMergingAcceptanceTest(
+      ReadChangeStreamTest testData, @SuppressWarnings("unused") String junitName) {
+    this.testCase = testData;
+  }
+
+  // Each tuple consists of [testData: ReadChangeStreamTest, junitName: String]
+  @Parameterized.Parameters(name = "{1}")
+  public static Collection<Object[]> data() throws IOException {
+    ClassLoader cl = Thread.currentThread().getContextClassLoader();
+    InputStream dataJson = cl.getResourceAsStream(TEST_DATA_JSON_RESOURCE);
+    assertWithMessage("Unable to load test definition: %s", TEST_DATA_JSON_RESOURCE)
+        .that(dataJson)
+        .isNotNull();
+
+    InputStreamReader reader = new InputStreamReader(dataJson);
+    ChangeStreamTestFile.Builder testBuilder = ChangeStreamTestFile.newBuilder();
+    JsonFormat.parser().merge(reader, testBuilder);
+    ChangeStreamTestFile testDefinition = testBuilder.build();
+
+    List<ReadChangeStreamTest> tests = testDefinition.getReadChangeStreamTestsList();
+    ArrayList<Object[]> data = new ArrayList<>(tests.size());
+    for (ReadChangeStreamTest test : tests) {
+      String junitName =
+          CaseFormat.LOWER_HYPHEN.to(
+              CaseFormat.LOWER_CAMEL, test.getDescription().replace(" ", "-"));
+      data.add(new Object[] {test, junitName});
+    }
+    return data;
+  }
+
+  @Test
+  public void test() throws Exception {
+    List<ReadChangeStreamResponse> responses = testCase.getApiResponsesList();
+
+    // Wrap the responses in a callable.
+    ServerStreamingCallable<ReadChangeStreamRequest, ReadChangeStreamResponse> source =
+        new FakeStreamingApi.ServerStreamingStashCallable<>(responses);
+    ChangeStreamRecordMergingCallable<ChangeStreamRecord> mergingCallable =
+        new ChangeStreamRecordMergingCallable<>(source, new DefaultChangeStreamRecordAdapter());
+
+    // Invoke the callable to get the change stream records.
+    ServerStream<ChangeStreamRecord> stream =
+        mergingCallable.call(ReadChangeStreamRequest.getDefaultInstance());
+
+    // Transform the change stream records into ReadChangeStreamTest.Result's.
+    List<ReadChangeStreamTest.Result> actualResults = Lists.newArrayList();
+    Exception error = null;
+    try {
+      for (ChangeStreamRecord record : stream) {
+        if (record instanceof Heartbeat) {
+          Heartbeat heartbeat = (Heartbeat) record;
+          ChangeStreamContinuationToken token = heartbeat.getChangeStreamContinuationToken();
+          ReadChangeStreamResponse.Heartbeat heartbeatProto =
+              ReadChangeStreamResponse.Heartbeat.newBuilder()
+                  .setContinuationToken(
+                      StreamContinuationToken.newBuilder()
+                          .setPartition(
+                              StreamPartition.newBuilder()
+                                  .setRowRange(
+                                      RowRange.newBuilder()
+                                          .setStartKeyClosed(token.getPartition().getStart())
+                                          .setEndKeyOpen(token.getPartition().getEnd())
+                                          .build())
+                                  .build())
+                          .setToken(heartbeat.getChangeStreamContinuationToken().getToken())
+                          .build())
+                  .setEstimatedLowWatermark(heartbeat.getEstimatedLowWatermark())
+                  .build();
+          actualResults.add(
+              ReadChangeStreamTest.Result.newBuilder()
+                  .setRecord(
+                      ReadChangeStreamTest.TestChangeStreamRecord.newBuilder()
+                          .setHeartbeat(heartbeatProto)
+                          .build())
+                  .build());
+        } else if (record instanceof CloseStream) {
+          CloseStream closeStream = (CloseStream) record;
+          ReadChangeStreamResponse.CloseStream.Builder builder =
+              ReadChangeStreamResponse.CloseStream.newBuilder().setStatus(closeStream.getStatus());
+          for (ChangeStreamContinuationToken token :
+              closeStream.getChangeStreamContinuationTokens()) {
+            builder.addContinuationTokens(
+                StreamContinuationToken.newBuilder()
+                    .setPartition(
+                        StreamPartition.newBuilder()
+                            .setRowRange(
+                                RowRange.newBuilder()
+                                    .setStartKeyClosed(token.getPartition().getStart())
+                                    .setEndKeyOpen(token.getPartition().getEnd())
+                                    .build()))
+                    .setToken(token.getToken())
+                    .build());
+          }
+          ReadChangeStreamResponse.CloseStream closeStreamProto = builder.build();
+          actualResults.add(
+              ReadChangeStreamTest.Result.newBuilder()
+                  .setRecord(
+                      ReadChangeStreamTest.TestChangeStreamRecord.newBuilder()
+                          .setCloseStream(closeStreamProto)
+                          .build())
+                  .build());
+        } else if (record instanceof ChangeStreamMutation) {
+          ChangeStreamMutation changeStreamMutation = (ChangeStreamMutation) record;
+          ReadChangeStreamTest.TestChangeStreamMutation.Builder builder =
+              ReadChangeStreamTest.TestChangeStreamMutation.newBuilder();
+          builder.setRowKey(changeStreamMutation.getRowKey());
+          Type type = Type.UNRECOGNIZED;
+          if (changeStreamMutation.getType() == ChangeStreamMutation.MutationType.USER) {
+            type = Type.USER;
+          } else if (changeStreamMutation.getType()
+              == ChangeStreamMutation.MutationType.GARBAGE_COLLECTION) {
+            type = Type.GARBAGE_COLLECTION;
+          }
+          builder.setType(type);
+          if (changeStreamMutation.getSourceClusterId() != null) {
+            builder.setSourceClusterId(changeStreamMutation.getSourceClusterId());
+          }
+          builder.setCommitTimestamp(
+              Timestamps.fromNanos(changeStreamMutation.getCommitTimestamp()));
+          builder.setTiebreaker(changeStreamMutation.getTieBreaker());
+          builder.setToken(changeStreamMutation.getToken());
+          builder.setEstimatedLowWatermark(
+              Timestamps.fromNanos(changeStreamMutation.getEstimatedLowWatermark()));
+          for (Entry entry : changeStreamMutation.getEntries()) {
+            if (entry instanceof DeleteFamily) {
+              DeleteFamily deleteFamily = (DeleteFamily) entry;
+              builder.addMutations(
+                  Mutation.newBuilder()
+                      .setDeleteFromFamily(
+                          Mutation.DeleteFromFamily.newBuilder()
+                              .setFamilyName(deleteFamily.getFamilyName())
+                              .build()));
+            } else if (entry instanceof DeleteCells) {
+              DeleteCells deleteCells = (DeleteCells) entry;
+              builder.addMutations(
+                  Mutation.newBuilder()
+                      .setDeleteFromColumn(
+                          Mutation.DeleteFromColumn.newBuilder()
+                              .setFamilyName(deleteCells.getFamilyName())
+                              .setColumnQualifier(deleteCells.getQualifier())
+                              .setTimeRange(
+                                  TimestampRange.newBuilder()
+                                      .setStartTimestampMicros(
+                                          deleteCells.getTimestampRange().getStart())
+                                      .setEndTimestampMicros(
+                                          deleteCells.getTimestampRange().getEnd())
+                                      .build())
+                              .build()));
+            } else if (entry instanceof SetCell) {
+              SetCell setCell = (SetCell) entry;
+              builder.addMutations(
+                  Mutation.newBuilder()
+                      .setSetCell(
+                          Mutation.SetCell.newBuilder()
+                              .setFamilyName(setCell.getFamilyName())
+                              .setColumnQualifier(setCell.getQualifier())
+                              .setTimestampMicros(setCell.getTimestamp())
+                              .setValue(setCell.getValue())));
+            } else {
+              throw new IllegalStateException("Unexpected Entry type");
+            }
+          }
+          actualResults.add(
+              ReadChangeStreamTest.Result.newBuilder()
+                  .setRecord(
+                      ReadChangeStreamTest.TestChangeStreamRecord.newBuilder()
+                          .setChangeStreamMutation(builder))
+                  .build());
+        } else {
+          throw new IllegalStateException("Unexpected ChangeStreamRecord type");
+        }
+      }
+    } catch (Exception e) {
+      error = e;
+    }
+
+    // Verify the results.
+    if (expectsError(testCase)) {
+      assertThat(error).isNotNull();
+    } else {
+      if (error != null) {
+        throw error;
+      }
+    }
+
+    assertThat(getNonExceptionResults(testCase)).isEqualTo(actualResults);
+  }
+
+  private static boolean expectsError(ReadChangeStreamTest testCase) {
+    List<ReadChangeStreamTest.Result> results = testCase.getResultsList();
+    return results != null && !results.isEmpty() && results.get(results.size() - 1).getError();
+  }
+
+  private static List<ReadChangeStreamTest.Result> getNonExceptionResults(
+      ReadChangeStreamTest testCase) {
+    List<ReadChangeStreamTest.Result> results = testCase.getResultsList();
+    List<ReadChangeStreamTest.Result> response = new ArrayList<>();
+    if (results != null) {
+      for (ReadChangeStreamTest.Result result : results) {
+        if (!result.getError()) {
+          response.add(result);
+        }
+      }
+    }
+    return response;
+  }
+}
diff --git a/google-cloud-bigtable/src/test/java/com/google/cloud/bigtable/data/v2/stub/changestream/ReadChangeStreamRetryTest.java b/google-cloud-bigtable/src/test/java/com/google/cloud/bigtable/data/v2/stub/changestream/ReadChangeStreamRetryTest.java
new file mode 100644
index 0000000000..2f4cc14327
--- /dev/null
+++ b/google-cloud-bigtable/src/test/java/com/google/cloud/bigtable/data/v2/stub/changestream/ReadChangeStreamRetryTest.java
@@ -0,0 +1,478 @@
+/*
+ * Copyright 2022 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.google.cloud.bigtable.data.v2.stub.changestream;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import com.google.api.gax.core.NoCredentialsProvider;
+import com.google.api.gax.grpc.GrpcStatusCode;
+import com.google.api.gax.grpc.GrpcTransportChannel;
+import com.google.api.gax.rpc.ApiException;
+import com.google.api.gax.rpc.FixedTransportChannelProvider;
+import com.google.api.gax.rpc.InternalException;
+import com.google.api.gax.rpc.ServerStream;
+import com.google.bigtable.v2.BigtableGrpc;
+import com.google.bigtable.v2.Mutation;
+import com.google.bigtable.v2.ReadChangeStreamRequest;
+import com.google.bigtable.v2.ReadChangeStreamResponse;
+import com.google.bigtable.v2.RowRange;
+import com.google.bigtable.v2.StreamContinuationToken;
+import com.google.bigtable.v2.StreamContinuationTokens;
+import com.google.bigtable.v2.StreamPartition;
+import com.google.cloud.bigtable.data.v2.BigtableDataClient;
+import com.google.cloud.bigtable.data.v2.BigtableDataSettings;
+import com.google.cloud.bigtable.data.v2.internal.NameUtil;
+import com.google.cloud.bigtable.data.v2.models.ChangeStreamMutation;
+import com.google.cloud.bigtable.data.v2.models.ChangeStreamRecord;
+import com.google.cloud.bigtable.data.v2.models.CloseStream;
+import com.google.cloud.bigtable.data.v2.models.Heartbeat;
+import com.google.cloud.bigtable.data.v2.models.ReadChangeStreamQuery;
+import com.google.common.collect.Lists;
+import com.google.common.collect.Queues;
+import com.google.common.truth.Truth;
+import com.google.protobuf.ByteString;
+import com.google.protobuf.Timestamp;
+import com.google.protobuf.util.Timestamps;
+import io.grpc.Status;
+import io.grpc.Status.Code;
+import io.grpc.StatusRuntimeException;
+import io.grpc.stub.StreamObserver;
+import io.grpc.testing.GrpcServerRule;
+import java.io.IOException;
+import java.util.Collections;
+import java.util.List;
+import java.util.Queue;
+import javax.annotation.Nonnull;
+import org.junit.After;
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.JUnit4;
+
+@RunWith(JUnit4.class)
+public class ReadChangeStreamRetryTest {
+  private static final String PROJECT_ID = "fake-project";
+  private static final String INSTANCE_ID = "fake-instance";
+  private static final String TABLE_ID = "fake-table";
+  private static final String START_KEY_CLOSED = "a";
+  private static final String END_KEY_OPEN = "b";
+  private static final String HEARTBEAT_TOKEN = "heartbeat-token";
+  private static final String CLOSE_STREAM_TOKEN = "close-stream-token";
+  private static final String DATA_CHANGE_TOKEN = "data-change-token";
+  private static final long REQUEST_START_TIME = 1000L;
+
+  @Rule public GrpcServerRule serverRule = new GrpcServerRule();
+  private TestBigtableService service;
+  private BigtableDataClient client;
+
+  @Before
+  public void setUp() throws IOException {
+    service = new TestBigtableService();
+    serverRule.getServiceRegistry().addService(service);
+
+    BigtableDataSettings.Builder settings =
+        BigtableDataSettings.newBuilderForEmulator(serverRule.getServer().getPort())
+            .setProjectId(PROJECT_ID)
+            .setInstanceId(INSTANCE_ID)
+            .setCredentialsProvider(NoCredentialsProvider.create());
+
+    settings
+        .stubSettings()
+        .setTransportChannelProvider(
+            FixedTransportChannelProvider.create(
+                GrpcTransportChannel.create(serverRule.getChannel())))
+        .build();
+
+    client = BigtableDataClient.create(settings.build());
+  }
+
+  @After
+  public void tearDown() {
+    if (client != null) {
+      client.close();
+    }
+  }
+
+  private StreamContinuationToken createStreamContinuationToken(@Nonnull String token) {
+    return StreamContinuationToken.newBuilder()
+        .setPartition(
+            StreamPartition.newBuilder()
+                .setRowRange(
+                    RowRange.newBuilder()
+                        .setStartKeyClosed(ByteString.copyFromUtf8(START_KEY_CLOSED))
+                        .setEndKeyOpen(ByteString.copyFromUtf8(END_KEY_OPEN))
+                        .build())
+                .build())
+        .setToken(token)
+        .build();
+  }
+
+  private ReadChangeStreamResponse.Heartbeat createHeartbeat(
+      StreamContinuationToken streamContinuationToken) {
+    return ReadChangeStreamResponse.Heartbeat.newBuilder()
+        .setContinuationToken(streamContinuationToken)
+        .setEstimatedLowWatermark(Timestamp.newBuilder().setSeconds(1000).build())
+        .build();
+  }
+
+  private ReadChangeStreamResponse.CloseStream createCloseStream() {
+    return ReadChangeStreamResponse.CloseStream.newBuilder()
+        .addContinuationTokens(createStreamContinuationToken(CLOSE_STREAM_TOKEN))
+        .setStatus(com.google.rpc.Status.newBuilder().setCode(0).build())
+        .build();
+  }
+
+  private ReadChangeStreamResponse.DataChange createDataChange(boolean done) {
+    Mutation deleteFromFamily =
+        Mutation.newBuilder()
+            .setDeleteFromFamily(
+                Mutation.DeleteFromFamily.newBuilder().setFamilyName("fake-family").build())
+            .build();
+    ReadChangeStreamResponse.DataChange.Builder dataChangeBuilder =
+        ReadChangeStreamResponse.DataChange.newBuilder()
+            .setType(ReadChangeStreamResponse.DataChange.Type.USER)
+            .setSourceClusterId("fake-source-cluster-id")
+            .setRowKey(ByteString.copyFromUtf8("key"))
+            .setCommitTimestamp(Timestamp.newBuilder().setSeconds(100).build())
+            .setTiebreaker(100)
+            .addChunks(
+                ReadChangeStreamResponse.MutationChunk.newBuilder().setMutation(deleteFromFamily));
+    if (done) {
+      dataChangeBuilder.setDone(true);
+      dataChangeBuilder.setEstimatedLowWatermark(Timestamp.newBuilder().setSeconds(1).build());
+      dataChangeBuilder.setToken(DATA_CHANGE_TOKEN);
+    }
+    return dataChangeBuilder.build();
+  }
+
+  // [{ReadChangeStreamResponse.Heartbeat}] -> [{Heartbeat}]
+  @Test
+  public void happyPathHeartbeatTest() {
+    ReadChangeStreamResponse heartbeatResponse =
+        ReadChangeStreamResponse.newBuilder()
+            .setHeartbeat(createHeartbeat(createStreamContinuationToken(HEARTBEAT_TOKEN)))
+            .build();
+    service.expectations.add(
+        RpcExpectation.create().expectInitialRequest().respondWith(heartbeatResponse));
+    List<ChangeStreamRecord> actualResults = getResults();
+    assertThat(actualResults.size()).isEqualTo(1);
+    Assert.assertTrue(actualResults.get(0) instanceof Heartbeat);
+  }
+
+  // [{ReadChangeStreamResponse.CloseStream}] -> [{CloseStream}]
+  @Test
+  public void happyPathCloseStreamTest() {
+    ReadChangeStreamResponse closeStreamResponse =
+        ReadChangeStreamResponse.newBuilder().setCloseStream(createCloseStream()).build();
+    service.expectations.add(
+        RpcExpectation.create().expectInitialRequest().respondWith(closeStreamResponse));
+    List<ChangeStreamRecord> actualResults = getResults();
+    assertThat(actualResults.size()).isEqualTo(1);
+    Assert.assertTrue(actualResults.get(0) instanceof CloseStream);
+  }
+
+  // [{DataChange(done==true)}] -> [{ReadChangeStreamMutation}]
+  @Test
+  public void happyPathCompleteDataChangeTest() {
+    // Setting `done==true` to complete the ChangeStreamMutation.
+    ReadChangeStreamResponse dataChangeResponse =
+        ReadChangeStreamResponse.newBuilder().setDataChange(createDataChange(true)).build();
+    service.expectations.add(
+        RpcExpectation.create().expectInitialRequest().respondWith(dataChangeResponse));
+    List<ChangeStreamRecord> actualResults = getResults();
+    assertThat(actualResults.size()).isEqualTo(1);
+    Assert.assertTrue(actualResults.get(0) instanceof ChangeStreamMutation);
+  }
+
+  // [{UNAVAILABLE}, {ReadChangeStreamResponse.Heartbeat}] -> [{Heartbeat}]
+  @Test
+  public void singleHeartbeatImmediateRetryTest() {
+    ReadChangeStreamResponse heartbeatResponse =
+        ReadChangeStreamResponse.newBuilder()
+            .setHeartbeat(createHeartbeat(createStreamContinuationToken(HEARTBEAT_TOKEN)))
+            .build();
+    service.expectations.add(
+        RpcExpectation.create().expectInitialRequest().respondWithStatus(Code.UNAVAILABLE));
+    // Resume with the exact same request.
+    service.expectations.add(
+        RpcExpectation.create().expectInitialRequest().respondWith(heartbeatResponse));
+    List<ChangeStreamRecord> actualResults = getResults();
+    assertThat(actualResults.size()).isEqualTo(1);
+    Assert.assertTrue(actualResults.get(0) instanceof Heartbeat);
+  }
+
+  // [{UNAVAILABLE}, {ReadChangeStreamResponse.CloseStream}] -> [{CloseStream}]
+  @Test
+  public void singleCloseStreamImmediateRetryTest() {
+    // CloseStream.
+    ReadChangeStreamResponse closeStreamResponse =
+        ReadChangeStreamResponse.newBuilder().setCloseStream(createCloseStream()).build();
+    service.expectations.add(
+        RpcExpectation.create().expectInitialRequest().respondWithStatus(Code.UNAVAILABLE));
+    // Resume with the exact same request.
+    service.expectations.add(
+        RpcExpectation.create().expectInitialRequest().respondWith(closeStreamResponse));
+    List<ChangeStreamRecord> actualResults = getResults();
+    assertThat(actualResults.size()).isEqualTo(1);
+    Assert.assertTrue(actualResults.get(0) instanceof CloseStream);
+  }
+
+  // [{UNAVAILABLE}, {DataChange with done==true}] -> [{(ChangeStreamRecord) ChangeStreamMutation}]
+  @Test
+  public void singleCompleteDataChangeImmediateRetryTest() {
+    // DataChange
+    ReadChangeStreamResponse dataChangeResponse =
+        ReadChangeStreamResponse.newBuilder().setDataChange(createDataChange(true)).build();
+    service.expectations.add(
+        RpcExpectation.create().expectInitialRequest().respondWithStatus(Code.UNAVAILABLE));
+    // Resume with the exact same request.
+    service.expectations.add(
+        RpcExpectation.create().expectInitialRequest().respondWith(dataChangeResponse));
+    List<ChangeStreamRecord> actualResults = getResults();
+    assertThat(actualResults.size()).isEqualTo(1);
+    Assert.assertTrue(actualResults.get(0) instanceof ChangeStreamMutation);
+  }
+
+  // [{ReadChangeStreamResponse.Heartbeat}, {UNAVAILABLE}] -> Resume with token from heartbeat.
+  @Test
+  public void errorAfterHeartbeatShouldResumeWithTokenTest() {
+    StreamContinuationToken streamContinuationToken =
+        createStreamContinuationToken(HEARTBEAT_TOKEN);
+    ReadChangeStreamResponse heartbeatResponse =
+        ReadChangeStreamResponse.newBuilder()
+            .setHeartbeat(createHeartbeat(streamContinuationToken))
+            .build();
+    service.expectations.add(
+        RpcExpectation.create()
+            .expectInitialRequest()
+            .respondWith(heartbeatResponse)
+            .respondWithStatus(Code.UNAVAILABLE));
+    // Resume the request with the token from the Heartbeat. `startTime` is cleared.
+    // We don't care about the response here so just do expectRequest.
+    service.expectations.add(
+        RpcExpectation.create()
+            .expectRequest(
+                StreamContinuationTokens.newBuilder().addTokens(streamContinuationToken).build()));
+    List<ChangeStreamRecord> actualResults = getResults();
+    // This is the Heartbeat we get before UNAVAILABLE.
+    assertThat(actualResults.size()).isEqualTo(1);
+    Assert.assertTrue(actualResults.get(0) instanceof Heartbeat);
+  }
+
+  // [{DataChange with done==true}, {UNAVAILABLE}] -> Resume with token from DataChange.
+  @Test
+  public void errorAfterDataChangeWithDoneShouldResumeWithTokenTest() {
+    // DataChange
+    ReadChangeStreamResponse dataChangeResponse =
+        ReadChangeStreamResponse.newBuilder().setDataChange(createDataChange(true)).build();
+    service.expectations.add(
+        RpcExpectation.create()
+            .expectInitialRequest()
+            .respondWith(dataChangeResponse)
+            .respondWithStatus(Code.UNAVAILABLE));
+    // Resume the request with the token from the ChangeStreamMutation. `startTime` is cleared.
+    // We don't care about the response here so just do expectRequest.
+    service.expectations.add(
+        RpcExpectation.create()
+            .expectRequest(
+                StreamContinuationTokens.newBuilder()
+                    .addTokens(createStreamContinuationToken(DATA_CHANGE_TOKEN))
+                    .build()));
+    List<ChangeStreamRecord> actualResults = getResults();
+    assertThat(actualResults.size()).isEqualTo(1);
+    Assert.assertTrue(actualResults.get(0) instanceof ChangeStreamMutation);
+  }
+
+  // [{DataChange with done==false}, {UNAVAILABLE}] -> Resume with original request.
+  @Test
+  public void errorAfterDataChangeWithoutDoneShouldResumeWithTokenTest() {
+    // DataChange
+    ReadChangeStreamResponse dataChangeResponse =
+        ReadChangeStreamResponse.newBuilder().setDataChange(createDataChange(false)).build();
+    service.expectations.add(
+        RpcExpectation.create()
+            .expectInitialRequest()
+            .respondWith(dataChangeResponse)
+            .respondWithStatus(Code.UNAVAILABLE));
+    // Resume the request with the original request, because the previous DataChange didn't
+    // complete the ChangeStreamMutation(i.e. without `done==true`).
+    // We don't care about the response here so just do expectRequest.
+    service.expectations.add(RpcExpectation.create().expectInitialRequest());
+    List<ChangeStreamRecord> actualResults = getResults();
+    Truth.assertThat(actualResults).isEmpty();
+  }
+
+  // [{DataChange with done==true}, {Heartbeat}, {UNAVAILABLE}] -> Resume with token from Heartbeat.
+  @Test
+  public void shouldResumeWithLastTokenTest() {
+    // DataChange
+    ReadChangeStreamResponse dataChangeResponse =
+        ReadChangeStreamResponse.newBuilder().setDataChange(createDataChange(true)).build();
+    // Heartbeat.
+    ReadChangeStreamResponse heartbeatResponse =
+        ReadChangeStreamResponse.newBuilder()
+            .setHeartbeat(createHeartbeat(createStreamContinuationToken(HEARTBEAT_TOKEN)))
+            .build();
+    service.expectations.add(
+        RpcExpectation.create()
+            .expectInitialRequest()
+            .respondWith(dataChangeResponse)
+            .respondWith(heartbeatResponse)
+            .respondWithStatus(Code.UNAVAILABLE));
+    // If we receive a DataChange with done==true and a Heartbeat then a retryable error, it should
+    // resume with the last token, which is the one from the heartbeat.
+    // If the original request reads with start_time, it'll be resumed with the continuation token.
+    // We don't care about the response here so just do expectRequest.
+    service.expectations.add(
+        RpcExpectation.create()
+            .expectRequest(
+                StreamContinuationTokens.newBuilder()
+                    .addTokens(createStreamContinuationToken(HEARTBEAT_TOKEN))
+                    .build()));
+    List<ChangeStreamRecord> actualResults = getResults();
+    assertThat(actualResults.size()).isEqualTo(2);
+    Assert.assertTrue(actualResults.get(0) instanceof ChangeStreamMutation);
+    Assert.assertTrue(actualResults.get(1) instanceof Heartbeat);
+  }
+
+  @Test
+  public void retryRstStreamExceptionTest() {
+    ApiException exception =
+        new InternalException(
+            new StatusRuntimeException(
+                Status.INTERNAL.withDescription(
+                    "INTERNAL: HTTP/2 error code: INTERNAL_ERROR\nReceived Rst Stream")),
+            GrpcStatusCode.of(Code.INTERNAL),
+            false);
+    ReadChangeStreamResponse heartbeatResponse =
+        ReadChangeStreamResponse.newBuilder()
+            .setHeartbeat(createHeartbeat(createStreamContinuationToken(HEARTBEAT_TOKEN)))
+            .build();
+    service.expectations.add(
+        RpcExpectation.create()
+            .expectInitialRequest()
+            .respondWithException(Code.INTERNAL, exception));
+    service.expectations.add(
+        RpcExpectation.create().expectInitialRequest().respondWith(heartbeatResponse));
+    List<ChangeStreamRecord> actualResults = getResults();
+    assertThat(actualResults.size()).isEqualTo(1);
+    Assert.assertTrue(actualResults.get(0) instanceof Heartbeat);
+  }
+
+  private List<ChangeStreamRecord> getResults() {
+    ReadChangeStreamQuery query =
+        ReadChangeStreamQuery.create(TABLE_ID).startTime(REQUEST_START_TIME);
+    // Always give it this partition. We don't care.
+    ServerStream<ChangeStreamRecord> actualRecords =
+        client.readChangeStream(query.streamPartition(START_KEY_CLOSED, END_KEY_OPEN));
+    List<ChangeStreamRecord> actualValues = Lists.newArrayList();
+    for (ChangeStreamRecord record : actualRecords) {
+      actualValues.add(record);
+    }
+    return actualValues;
+  }
+
+  private static class TestBigtableService extends BigtableGrpc.BigtableImplBase {
+    Queue<RpcExpectation> expectations = Queues.newArrayDeque();
+    int i = -1;
+
+    @Override
+    public void readChangeStream(
+        ReadChangeStreamRequest request,
+        StreamObserver<ReadChangeStreamResponse> responseObserver) {
+
+      RpcExpectation expectedRpc = expectations.poll();
+      i++;
+
+      Truth.assertWithMessage("Unexpected request#" + i + ":" + request.toString())
+          .that(expectedRpc)
+          .isNotNull();
+      Truth.assertWithMessage("Unexpected request#" + i)
+          .that(request)
+          .isEqualTo(expectedRpc.getExpectedRequest());
+
+      for (ReadChangeStreamResponse response : expectedRpc.responses) {
+        responseObserver.onNext(response);
+      }
+      if (expectedRpc.statusCode.toStatus().isOk()) {
+        responseObserver.onCompleted();
+      } else if (expectedRpc.exception != null) {
+        responseObserver.onError(expectedRpc.exception);
+      } else {
+        responseObserver.onError(expectedRpc.statusCode.toStatus().asRuntimeException());
+      }
+    }
+  }
+
+  private static class RpcExpectation {
+    ReadChangeStreamRequest.Builder requestBuilder;
+    Status.Code statusCode;
+    ApiException exception;
+    List<ReadChangeStreamResponse> responses;
+
+    private RpcExpectation() {
+      this.requestBuilder =
+          ReadChangeStreamRequest.newBuilder()
+              .setTableName(NameUtil.formatTableName(PROJECT_ID, INSTANCE_ID, TABLE_ID))
+              .setPartition(
+                  StreamPartition.newBuilder()
+                      .setRowRange(
+                          RowRange.newBuilder()
+                              .setStartKeyClosed(ByteString.copyFromUtf8(START_KEY_CLOSED))
+                              .setEndKeyOpen(ByteString.copyFromUtf8(END_KEY_OPEN))
+                              .build())
+                      .build());
+      this.statusCode = Status.Code.OK;
+      this.responses = Lists.newArrayList();
+    }
+
+    static RpcExpectation create() {
+      return new RpcExpectation();
+    }
+
+    RpcExpectation expectInitialRequest() {
+      requestBuilder.setStartTime(Timestamps.fromNanos(REQUEST_START_TIME));
+      return this;
+    }
+
+    RpcExpectation expectRequest(StreamContinuationTokens continuationTokens) {
+      requestBuilder.setContinuationTokens(continuationTokens);
+      return this;
+    }
+
+    RpcExpectation respondWithStatus(Status.Code code) {
+      this.statusCode = code;
+      return this;
+    }
+
+    RpcExpectation respondWithException(Status.Code code, ApiException exception) {
+      this.statusCode = code;
+      this.exception = exception;
+      return this;
+    }
+
+    RpcExpectation respondWith(ReadChangeStreamResponse... responses) {
+      Collections.addAll(this.responses, responses);
+      return this;
+    }
+
+    ReadChangeStreamRequest getExpectedRequest() {
+      return requestBuilder.build();
+    }
+  }
+}
diff --git a/google-cloud-bigtable/src/test/java/com/google/cloud/bigtable/data/v2/stub/changestream/ReadChangeStreamUserCallableTest.java b/google-cloud-bigtable/src/test/java/com/google/cloud/bigtable/data/v2/stub/changestream/ReadChangeStreamUserCallableTest.java
new file mode 100644
index 0000000000..2f50c7065b
--- /dev/null
+++ b/google-cloud-bigtable/src/test/java/com/google/cloud/bigtable/data/v2/stub/changestream/ReadChangeStreamUserCallableTest.java
@@ -0,0 +1,49 @@
+/*
+ * Copyright 2022 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.google.cloud.bigtable.data.v2.stub.changestream;
+
+import com.google.bigtable.v2.ReadChangeStreamRequest;
+import com.google.cloud.bigtable.data.v2.internal.RequestContext;
+import com.google.cloud.bigtable.data.v2.models.ChangeStreamRecord;
+import com.google.cloud.bigtable.data.v2.models.ReadChangeStreamQuery;
+import com.google.cloud.bigtable.gaxx.testing.FakeStreamingApi.ServerStreamingStashCallable;
+import com.google.common.truth.Truth;
+import java.time.Duration;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.JUnit4;
+
+@RunWith(JUnit4.class)
+public class ReadChangeStreamUserCallableTest {
+  private static final RequestContext REQUEST_CONTEXT =
+      RequestContext.create("fake-project", "fake-instance", "fake-profile");
+
+  @Test
+  public void testRequestIsConverted() {
+    ServerStreamingStashCallable<ReadChangeStreamRequest, ChangeStreamRecord> innerCallable =
+        new ServerStreamingStashCallable<>();
+    ReadChangeStreamUserCallable<ChangeStreamRecord> callable =
+        new ReadChangeStreamUserCallable<>(innerCallable, REQUEST_CONTEXT);
+    ReadChangeStreamQuery query =
+        ReadChangeStreamQuery.create("fake-table")
+            .streamPartition("begin", "end")
+            .startTime(1000L)
+            .endTime(2000L)
+            .heartbeatDuration(Duration.ofSeconds(1));
+    callable.call(query);
+    Truth.assertThat(innerCallable.getActualRequest()).isEqualTo(query.toProto(REQUEST_CONTEXT));
+  }
+}
diff --git a/google-cloud-bigtable/src/test/proto/changestream_tests.proto b/google-cloud-bigtable/src/test/proto/changestream_tests.proto
new file mode 100644
index 0000000000..82f0fff492
--- /dev/null
+++ b/google-cloud-bigtable/src/test/proto/changestream_tests.proto
@@ -0,0 +1,63 @@
+// Copyright 2022, Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package google.cloud.conformance.bigtable.v2;
+
+import "google/bigtable/v2/bigtable.proto";
+import "google/protobuf/timestamp.proto";
+import "google/bigtable/v2/data.proto";
+
+option csharp_namespace = "Google.Cloud.Bigtable.V2.Tests.Conformance";
+option java_outer_classname = "ChangeStreamTestDefinition";
+option java_package = "com.google.cloud.conformance.bigtable.v2";
+option go_package = "google/cloud/conformance/bigtable/v2";
+
+message ChangeStreamTestFile {
+  repeated ReadChangeStreamTest read_change_stream_tests = 1;
+}
+
+message ReadChangeStreamTest {
+
+  message TestChangeStreamMutation {
+    bytes row_key = 1;
+    google.bigtable.v2.ReadChangeStreamResponse.DataChange.Type type = 2;
+    string source_cluster_id = 3;
+    google.protobuf.Timestamp commit_timestamp = 4;
+    int64 tiebreaker = 5;
+    string token = 6;
+    google.protobuf.Timestamp estimated_low_watermark = 7;
+    repeated google.bigtable.v2.Mutation mutations = 8;
+  }
+
+  message TestChangeStreamRecord {
+    oneof record {
+      google.bigtable.v2.ReadChangeStreamResponse.Heartbeat heartbeat = 1;
+      google.bigtable.v2.ReadChangeStreamResponse.CloseStream close_stream = 2;
+      TestChangeStreamMutation change_stream_mutation = 3;
+    }
+  }
+
+  // Expected results of reading the change stream.
+  // Only the last result can be an error.
+  message Result {
+    TestChangeStreamRecord record = 1;
+    bool error = 2;
+  }
+
+  string description = 1;
+  repeated google.bigtable.v2.ReadChangeStreamResponse api_responses = 2;
+  repeated Result results = 3;
+}
diff --git a/google-cloud-bigtable/src/test/resources/changestream.json b/google-cloud-bigtable/src/test/resources/changestream.json
new file mode 100644
index 0000000000..9d9e2d46cc
--- /dev/null
+++ b/google-cloud-bigtable/src/test/resources/changestream.json
@@ -0,0 +1,1379 @@
+{
+  "readChangeStreamTests": [
+    {
+      "description": "1 heartbeat",
+      "api_responses": [
+        {
+          "heartbeat": {
+            "continuation_token": {
+              "partition": {
+                "row_range": {
+                  "start_key_closed": "",
+                  "end_key_open": ""
+                }
+              },
+              "token": "heartbeat-token"
+            },
+            "estimated_low_watermark": "2022-07-01T00:00:00Z"
+          }
+        }
+      ],
+      "results": [
+        {
+          "record" : {
+            "heartbeat": {
+              "continuation_token": {
+                "partition": {
+                  "row_range": {
+                    "start_key_closed": "",
+                    "end_key_open": ""
+                  }
+                },
+                "token": "heartbeat-token"
+              },
+              "estimated_low_watermark": "2022-07-01T00:00:00Z"
+            }
+          },
+          "error": false
+        }
+      ]
+    },
+    {
+      "description": "1 CloseStream",
+      "api_responses": [
+        {
+          "close_stream": {
+            "status": {
+              "code": "11",
+              "message": "Partition boundaries are misaligned."
+            },
+            "continuation_tokens": [
+              {
+                "partition": {
+                  "row_range": {
+                    "start_key_closed": "",
+                    "end_key_open": "0000000000000001"
+                  }
+                },
+                "token": "close-stream-token-1"
+              },
+              {
+                "partition": {
+                  "row_range": {
+                    "start_key_closed": "0000000000000001",
+                    "end_key_open": "0000000000000002"
+                  }
+                },
+                "token": "close-stream-token-2"
+              }
+            ]
+          }
+        }
+      ],
+      "results": [
+        {
+          "record" : {
+            "close_stream": {
+              "status": {
+                "code": "11",
+                "message": "Partition boundaries are misaligned."
+              },
+              "continuation_tokens": [
+                {
+                  "partition": {
+                    "row_range": {
+                      "start_key_closed": "",
+                      "end_key_open": "0000000000000001"
+                    }
+                  },
+                  "token": "close-stream-token-1"
+                },
+                {
+                  "partition": {
+                    "row_range": {
+                      "start_key_closed": "0000000000000001",
+                      "end_key_open": "0000000000000002"
+                    }
+                  },
+                  "token": "close-stream-token-2"
+                }
+              ]
+            }
+          },
+          "error": false
+        }
+      ]
+    },
+    {
+      "description": "1 heartbeat + 1 CloseStream",
+      "api_responses": [
+        {
+          "heartbeat": {
+            "continuation_token": {
+              "partition": {
+                "row_range": {
+                  "start_key_closed": "",
+                  "end_key_open": ""
+                }
+              },
+              "token": "heartbeat-token"
+            },
+            "estimated_low_watermark": "2022-07-01T00:00:00Z"
+          }
+        },
+        {
+          "close_stream": {
+            "status": {
+              "code": "11",
+              "message": "Partition boundaries are misaligned."
+            },
+            "continuation_tokens": [
+              {
+                "partition": {
+                  "row_range": {
+                    "start_key_closed": "",
+                    "end_key_open": "0000000000000001"
+                  }
+                },
+                "token": "close-stream-token-1"
+              }
+            ]
+          }
+        }
+      ],
+      "results": [
+        {
+          "record" : {
+            "heartbeat": {
+              "continuation_token": {
+                "partition": {
+                  "row_range": {
+                    "start_key_closed": "",
+                    "end_key_open": ""
+                  }
+                },
+                "token": "heartbeat-token"
+              },
+              "estimated_low_watermark": "2022-07-01T00:00:00Z"
+            }
+          },
+          "error": false
+        },
+        {
+          "record" : {
+            "close_stream": {
+              "status": {
+                "code": "11",
+                "message": "Partition boundaries are misaligned."
+              },
+              "continuation_tokens": [
+                {
+                  "partition": {
+                    "row_range": {
+                      "start_key_closed": "",
+                      "end_key_open": "0000000000000001"
+                    }
+                  },
+                  "token": "close-stream-token-1"
+                }
+              ]
+            }
+          },
+          "error": false
+        }
+      ]
+    },
+    {
+      "description": "1 logical mutation no chunking([{DF,DC,SC}]->ChangeStreamMutation{DF,DC,SC})",
+      "api_responses": [
+        {
+          "data_change": {
+            "row_key": "0000000000000000",
+            "type": "USER",
+            "source_cluster_id": "source-cluster-id",
+            "commit_timestamp": "2022-07-01T00:00:00Z",
+            "tiebreaker": 100,
+            "token": "data-change-token",
+            "estimated_low_watermark": "2022-07-01T00:00:00Z",
+            "chunks": [
+              {
+                "mutation": {
+                  "delete_from_family": {
+                    "family_name": "family"
+                  }
+                }
+              },
+              {
+                "mutation": {
+                  "delete_from_column" : {
+                    "family_name": "family",
+                    "column_qualifier": "dg==",
+                    "time_range": {
+                      "start_timestamp_micros": 5000,
+                      "end_timestamp_micros": 15000
+                    }
+                  }
+                }
+              },
+              {
+                "mutation": {
+                  "set_cell": {
+                    "family_name": "family",
+                    "column_qualifier": "0000000000000000",
+                    "timestamp_micros": 1000,
+                    "value": "dg=="
+                  }
+                }
+              }
+            ],
+            "done": true
+          }
+        }
+      ],
+      "results": [
+        {
+          "record": {
+            "change_stream_mutation": {
+              "row_key": "0000000000000000",
+              "type": "USER",
+              "source_cluster_id": "source-cluster-id",
+              "commit_timestamp": "2022-07-01T00:00:00Z",
+              "estimated_low_watermark": "2022-07-01T00:00:00Z",
+              "tiebreaker": 100,
+              "token": "data-change-token",
+              "mutations": [
+                {
+                  "delete_from_family": {
+                    "family_name": "family"
+                  }
+                },
+                {
+                  "delete_from_column" : {
+                    "family_name": "family",
+                    "column_qualifier": "dg==",
+                    "time_range": {
+                      "start_timestamp_micros": 5000,
+                      "end_timestamp_micros": 15000
+                    }
+                  }
+                },
+                {
+                  "set_cell": {
+                    "family_name": "family",
+                    "column_qualifier": "0000000000000000",
+                    "timestamp_micros": 1000,
+                    "value": "dg=="
+                  }
+                }
+              ]
+            }
+          },
+          "error": false
+        }
+      ]
+    },
+    {
+      "description": "1 incomplete logical mutation(missing `done: true`)",
+      "api_responses": [
+        {
+          "data_change": {
+            "row_key": "0000000000000000",
+            "type": "USER",
+            "source_cluster_id": "source-cluster-id",
+            "commit_timestamp": "2022-07-01T00:00:00Z",
+            "tiebreaker": 100,
+            "token": "data-change-token",
+            "chunks": [
+              {
+                "mutation": {
+                  "delete_from_family": {
+                    "family_name": "family"
+                  }
+                }
+              }
+            ]
+          }
+        }
+      ],
+      "results": [
+        {
+          "error": true
+        }
+      ]
+    },
+    {
+      "description": "GC mutation no source cluster id",
+      "api_responses": [
+        {
+          "data_change": {
+            "row_key": "0000000000000000",
+            "type": "GARBAGE_COLLECTION",
+            "commit_timestamp": "2022-07-01T00:00:00Z",
+            "tiebreaker": 100,
+            "token": "data-change-token",
+            "estimated_low_watermark": "2022-07-01T00:00:00Z",
+            "chunks": [
+              {
+                "mutation": {
+                  "delete_from_family": {
+                    "family_name": "family"
+                  }
+                }
+              }
+            ],
+            "done": true
+          }
+        }
+      ],
+      "results": [
+        {
+          "record": {
+            "change_stream_mutation": {
+              "row_key": "0000000000000000",
+              "type": "GARBAGE_COLLECTION",
+              "commit_timestamp": "2022-07-01T00:00:00Z",
+              "tiebreaker": 100,
+              "token": "data-change-token",
+              "estimated_low_watermark": "2022-07-01T00:00:00Z",
+              "mutations": [
+                {
+                  "delete_from_family": {
+                    "family_name": "family"
+                  }
+                }
+              ]
+            }
+          },
+          "error": false
+        }
+      ]
+    },
+    {
+      "description": "1 chunked SetCell([{SC_chunk1(v)}, {SC_chunk2(alue-VAL)}]->ChangeStreamMutation{SC(value-VAL)})",
+      "api_responses": [
+        {
+          "data_change": {
+            "row_key": "0000000000000000",
+            "type": "USER",
+            "source_cluster_id": "source-cluster-id",
+            "commit_timestamp": "2022-07-01T00:00:00Z",
+            "tiebreaker": 100,
+            "chunks": [
+              {
+                "chunk_info": {
+                  "chunked_value_size": 9
+                },
+                "mutation": {
+                  "set_cell": {
+                    "family_name": "family",
+                    "column_qualifier": "0000000000000000",
+                    "timestamp_micros": 1000,
+                    "value": "dg=="
+                  }
+                }
+              }
+            ]
+          }
+        },
+        {
+          "data_change": {
+            "type": "CONTINUATION",
+            "token": "data-change-token",
+            "estimated_low_watermark": "2022-07-01T00:00:00Z",
+            "chunks": [
+              {
+                "chunk_info": {
+                  "chunked_value_offset": 1,
+                  "chunked_value_size": 9,
+                  "last_chunk": true
+                },
+                "mutation": {
+                  "set_cell": {
+                    "value": "YWx1ZS1WQUw="
+                  }
+                }
+              }
+            ],
+            "done": true
+          }
+        }
+      ],
+      "results": [
+        {
+          "record": {
+            "change_stream_mutation": {
+              "row_key": "0000000000000000",
+              "type": "USER",
+              "source_cluster_id": "source-cluster-id",
+              "commit_timestamp": "2022-07-01T00:00:00Z",
+              "tiebreaker": 100,
+              "token": "data-change-token",
+              "estimated_low_watermark": "2022-07-01T00:00:00Z",
+              "mutations": [
+                {
+                  "set_cell": {
+                    "family_name": "family",
+                    "column_qualifier": "0000000000000000",
+                    "timestamp_micros": 1000,
+                    "value": "dmFsdWUtVkFM"
+                  }
+                }
+              ]
+            }
+          },
+          "error": false
+        }
+      ]
+    },
+    {
+      "description": "ChunkedValueSize mismatch for a chunked SetCell([{SC_chunk1(v)}, {SC_chunk2(alue-VAL)}]->error)",
+      "api_responses": [
+        {
+          "data_change": {
+            "row_key": "0000000000000000",
+            "type": "USER",
+            "source_cluster_id": "source-cluster-id",
+            "commit_timestamp": "2022-07-01T00:00:00Z",
+            "tiebreaker": 100,
+            "chunks": [
+              {
+                "chunk_info": {
+                  "chunked_value_size": 1
+                },
+                "mutation": {
+                  "set_cell": {
+                    "family_name": "family",
+                    "column_qualifier": "0000000000000000",
+                    "timestamp_micros": 1000,
+                    "value": "dg=="
+                  }
+                }
+              }
+            ]
+          }
+        },
+        {
+          "data_change": {
+            "type": "CONTINUATION",
+            "token": "data-change-token",
+            "estimated_low_watermark": "2022-07-01T00:00:00Z",
+            "chunks": [
+              {
+                "chunk_info": {
+                  "chunked_value_offset": 1,
+                  "chunked_value_size": 9,
+                  "last_chunk": true
+                },
+                "mutation": {
+                  "set_cell": {
+                    "value": "YWx1ZS1WQUw="
+                  }
+                }
+              }
+            ],
+            "done": true
+          }
+        }
+      ],
+      "results": [
+        {
+          "error": true
+        }
+      ]
+    },
+    {
+      "description": "1 chunked SetCell([{SC_chunk1(v)}, {SC_chunk2(alue-VAL)}, {SC_chunk3(-VAL)}]->ChangeStreamMutation{SC(value-VAL-VAL)})",
+      "api_responses": [
+        {
+          "data_change": {
+            "row_key": "0000000000000000",
+            "type": "USER",
+            "source_cluster_id": "source-cluster-id",
+            "commit_timestamp": "2022-07-01T00:00:00Z",
+            "tiebreaker": 100,
+            "chunks": [
+              {
+                "chunk_info": {
+                  "chunked_value_size": 13
+                },
+                "mutation": {
+                  "set_cell": {
+                    "family_name": "family",
+                    "column_qualifier": "0000000000000000",
+                    "timestamp_micros": 1000,
+                    "value": "dg=="
+                  }
+                }
+              }
+            ]
+          }
+        },
+        {
+          "data_change": {
+            "type": "CONTINUATION",
+            "token": "data-change-token",
+            "estimated_low_watermark": "2022-07-01T00:00:00Z",
+            "chunks": [
+              {
+                "chunk_info": {
+                  "chunked_value_offset": 1,
+                  "chunked_value_size": 13
+                },
+                "mutation": {
+                  "set_cell": {
+                    "value": "YWx1ZS1WQUw="
+                  }
+                }
+              }
+            ]
+          }
+        },
+        {
+          "data_change": {
+            "type": "CONTINUATION",
+            "token": "data-change-token",
+            "estimated_low_watermark": "2022-07-01T00:00:00Z",
+            "chunks": [
+              {
+                "chunk_info": {
+                  "chunked_value_offset": 9,
+                  "chunked_value_size": 13,
+                  "last_chunk": true
+                },
+                "mutation": {
+                  "set_cell": {
+                    "value": "LVZBTA=="
+                  }
+                }
+              }
+            ],
+            "done": true
+          }
+        }
+      ],
+      "results": [
+        {
+          "record": {
+            "change_stream_mutation": {
+              "row_key": "0000000000000000",
+              "type": "USER",
+              "source_cluster_id": "source-cluster-id",
+              "commit_timestamp": "2022-07-01T00:00:00Z",
+              "tiebreaker": 100,
+              "token": "data-change-token",
+              "estimated_low_watermark": "2022-07-01T00:00:00Z",
+              "mutations": [
+                {
+                  "set_cell": {
+                    "family_name": "family",
+                    "column_qualifier": "0000000000000000",
+                    "timestamp_micros": 1000,
+                    "value": "dmFsdWUtVkFMLVZBTA=="
+                  }
+                }
+              ]
+            }
+          },
+          "error": false
+        }
+      ]
+    },
+    {
+      "description": "2 chunked SetCells([{SC1_chunk1(v)}, {SC1_chunk2(alue-VAL), SC2_chunk1(v)}, {SC2_chunk2(alue-VAL)}]->ChangeStreamMutation{SC1(value-VAL),SC2(value-VAL)})",
+      "api_responses": [
+        {
+          "data_change": {
+            "row_key": "0000000000000000",
+            "type": "USER",
+            "source_cluster_id": "source-cluster-id",
+            "commit_timestamp": "2022-07-01T00:00:00Z",
+            "tiebreaker": 100,
+            "chunks": [
+              {
+                "chunk_info": {
+                  "chunked_value_size": 9
+                },
+                "mutation": {
+                  "set_cell": {
+                    "family_name": "family",
+                    "column_qualifier": "0000000000000000",
+                    "timestamp_micros": 1000,
+                    "value": "dg=="
+                  }
+                }
+              }
+            ]
+          }
+        },
+        {
+          "data_change": {
+            "type": "CONTINUATION",
+            "chunks": [
+              {
+                "chunk_info": {
+                  "chunked_value_offset": 1,
+                  "chunked_value_size": 9,
+                  "last_chunk": true
+                },
+                "mutation": {
+                  "set_cell": {
+                    "value": "YWx1ZS1WQUw="
+                  }
+                }
+              },
+              {
+                "chunk_info": {
+                  "chunked_value_size": 9
+                },
+                "mutation": {
+                  "set_cell": {
+                    "family_name": "family",
+                    "column_qualifier": "0000000000000000",
+                    "timestamp_micros": 1000,
+                    "value": "dg=="
+                  }
+                }
+              }
+            ]
+          }
+        },
+        {
+          "data_change": {
+            "type": "CONTINUATION",
+            "token": "data-change-token",
+            "estimated_low_watermark": "2022-07-01T00:00:00Z",
+            "chunks": [
+              {
+                "chunk_info": {
+                  "chunked_value_offset": 1,
+                  "chunked_value_size": 9,
+                  "last_chunk": true
+                },
+                "mutation": {
+                  "set_cell": {
+                    "value": "YWx1ZS1WQUw="
+                  }
+                }
+              }
+            ],
+            "done": true
+          }
+        }
+      ],
+      "results": [
+        {
+          "record": {
+            "change_stream_mutation": {
+              "row_key": "0000000000000000",
+              "type": "USER",
+              "source_cluster_id": "source-cluster-id",
+              "commit_timestamp": "2022-07-01T00:00:00Z",
+              "tiebreaker": 100,
+              "token": "data-change-token",
+              "estimated_low_watermark": "2022-07-01T00:00:00Z",
+              "mutations": [
+                {
+                  "set_cell": {
+                    "family_name": "family",
+                    "column_qualifier": "0000000000000000",
+                    "timestamp_micros": 1000,
+                    "value": "dmFsdWUtVkFM"
+                  }
+                },
+                {
+                  "set_cell": {
+                    "family_name": "family",
+                    "column_qualifier": "0000000000000000",
+                    "timestamp_micros": 1000,
+                    "value": "dmFsdWUtVkFM"
+                  }
+                }
+              ]
+            }
+          },
+          "error": false
+        }
+      ]
+    },
+    {
+      "description": "1 chunked SetCell + 1 unchunked SetCell([{SC1_chunk1(v)}, {SC1_chunk2(alue-VAL), SC2(value-VAL)}]->ChangeStreamMutation{SC1(value-VAL),SC2(value-VAL)})",
+      "api_responses": [
+        {
+          "data_change": {
+            "row_key": "0000000000000000",
+            "type": "USER",
+            "source_cluster_id": "source-cluster-id",
+            "commit_timestamp": "2022-07-01T00:00:00Z",
+            "tiebreaker": 100,
+            "chunks": [
+              {
+                "chunk_info": {
+                  "chunked_value_size": 9
+                },
+                "mutation": {
+                  "set_cell": {
+                    "family_name": "family",
+                    "column_qualifier": "0000000000000000",
+                    "timestamp_micros": 1000,
+                    "value": "dg=="
+                  }
+                }
+              }
+            ]
+          }
+        },
+        {
+          "data_change": {
+            "type": "CONTINUATION",
+            "token": "data-change-token",
+            "estimated_low_watermark": "2022-07-01T00:00:00Z",
+            "chunks": [
+              {
+                "chunk_info": {
+                  "chunked_value_offset": 1,
+                  "chunked_value_size": 9,
+                  "last_chunk": true
+                },
+                "mutation": {
+                  "set_cell": {
+                    "value": "YWx1ZS1WQUw="
+                  }
+                }
+              },
+              {
+                "mutation": {
+                  "set_cell": {
+                    "family_name": "family",
+                    "column_qualifier": "0000000000000000",
+                    "timestamp_micros": 1000,
+                    "value": "dmFsdWUtVkFM"
+                  }
+                }
+              }
+            ],
+            "done": true
+          }
+        }
+      ],
+      "results": [
+        {
+          "record": {
+            "change_stream_mutation": {
+              "row_key": "0000000000000000",
+              "type": "USER",
+              "source_cluster_id": "source-cluster-id",
+              "commit_timestamp": "2022-07-01T00:00:00Z",
+              "tiebreaker": 100,
+              "token": "data-change-token",
+              "estimated_low_watermark": "2022-07-01T00:00:00Z",
+              "mutations": [
+                {
+                  "set_cell": {
+                    "family_name": "family",
+                    "column_qualifier": "0000000000000000",
+                    "timestamp_micros": 1000,
+                    "value": "dmFsdWUtVkFM"
+                  }
+                },
+                {
+                  "set_cell": {
+                    "family_name": "family",
+                    "column_qualifier": "0000000000000000",
+                    "timestamp_micros": 1000,
+                    "value": "dmFsdWUtVkFM"
+                  }
+                }
+              ]
+            }
+          },
+          "error": false
+        }
+      ]
+    },
+    {
+      "description": "1 unchunked SetCell + 1 chunked SetCell([{SC1(v), SC2_chunk1(v)}, {SC2_chunk2(alue-VAL)}]->ChangeStreamMutation{SC1(v),SC2(value-VAL)})",
+      "api_responses": [
+        {
+          "data_change": {
+            "row_key": "0000000000000000",
+            "type": "USER",
+            "source_cluster_id": "source-cluster-id",
+            "commit_timestamp": "2022-07-01T00:00:00Z",
+            "tiebreaker": 100,
+            "chunks": [
+              {
+                "mutation": {
+                  "set_cell": {
+                    "family_name": "family",
+                    "column_qualifier": "0000000000000000",
+                    "timestamp_micros": 1000,
+                    "value": "dg=="
+                  }
+                }
+              },
+              {
+                "chunk_info": {
+                  "chunked_value_size": 9
+                },
+                "mutation": {
+                  "set_cell": {
+                    "family_name": "family",
+                    "column_qualifier": "0000000000000000",
+                    "timestamp_micros": 1000,
+                    "value": "dg=="
+                  }
+                }
+              }
+            ]
+          }
+        },
+        {
+          "data_change": {
+            "type": "CONTINUATION",
+            "token": "data-change-token",
+            "estimated_low_watermark": "2022-07-01T00:00:00Z",
+            "chunks": [
+              {
+                "chunk_info": {
+                  "chunked_value_offset": 1,
+                  "chunked_value_size": 9,
+                  "last_chunk": true
+                },
+                "mutation": {
+                  "set_cell": {
+                    "value": "YWx1ZS1WQUw="
+                  }
+                }
+              }
+            ],
+            "done": true
+          }
+        }
+      ],
+      "results": [
+        {
+          "record": {
+            "change_stream_mutation": {
+              "row_key": "0000000000000000",
+              "type": "USER",
+              "source_cluster_id": "source-cluster-id",
+              "commit_timestamp": "2022-07-01T00:00:00Z",
+              "tiebreaker": 100,
+              "token": "data-change-token",
+              "estimated_low_watermark": "2022-07-01T00:00:00Z",
+              "mutations": [
+                {
+                  "set_cell": {
+                    "family_name": "family",
+                    "column_qualifier": "0000000000000000",
+                    "timestamp_micros": 1000,
+                    "value": "dg=="
+                  }
+                },
+                {
+                  "set_cell": {
+                    "family_name": "family",
+                    "column_qualifier": "0000000000000000",
+                    "timestamp_micros": 1000,
+                    "value": "dmFsdWUtVkFM"
+                  }
+                }
+              ]
+            }
+          },
+          "error": false
+        }
+      ]
+    },
+    {
+      "description": "1 mod + 1 chunked SetCell + 1 mod([{DF1,SC_chunk1(v)}, {SC_chunk2(alue-VAL), DF2}]->ChangeStreamMutation{DF1,SC(value-VAL),DF2})",
+      "api_responses": [
+        {
+          "data_change": {
+            "row_key": "0000000000000000",
+            "type": "USER",
+            "source_cluster_id": "source-cluster-id",
+            "commit_timestamp": "2022-07-01T00:00:00Z",
+            "tiebreaker": 100,
+            "chunks": [
+              {
+                "mutation": {
+                  "delete_from_family": {
+                    "family_name": "family"
+                  }
+                }
+              },
+              {
+                "chunk_info": {
+                  "chunked_value_size": 9
+                },
+                "mutation": {
+                  "set_cell": {
+                    "family_name": "family",
+                    "column_qualifier": "0000000000000000",
+                    "timestamp_micros": 1000,
+                    "value": "dg=="
+                  }
+                }
+              }
+            ]
+          }
+        },
+        {
+          "data_change": {
+            "type": "CONTINUATION",
+            "token": "data-change-token",
+            "estimated_low_watermark": "2022-07-01T00:00:00Z",
+            "chunks": [
+              {
+                "chunk_info": {
+                  "chunked_value_offset": 1,
+                  "chunked_value_size": 9,
+                  "last_chunk": true
+                },
+                "mutation": {
+                  "set_cell": {
+                    "value": "YWx1ZS1WQUw="
+                  }
+                }
+              },
+              {
+                "mutation": {
+                  "delete_from_family": {
+                    "family_name": "family"
+                  }
+                }
+              }
+            ],
+            "done": true
+          }
+        }
+      ],
+      "results": [
+        {
+          "record": {
+            "change_stream_mutation": {
+              "row_key": "0000000000000000",
+              "type": "USER",
+              "source_cluster_id": "source-cluster-id",
+              "commit_timestamp": "2022-07-01T00:00:00Z",
+              "tiebreaker": 100,
+              "token": "data-change-token",
+              "estimated_low_watermark": "2022-07-01T00:00:00Z",
+              "mutations": [
+                {
+                  "delete_from_family": {
+                    "family_name": "family"
+                  }
+                },
+                {
+                  "set_cell": {
+                    "family_name": "family",
+                    "column_qualifier": "0000000000000000",
+                    "timestamp_micros": 1000,
+                    "value": "dmFsdWUtVkFM"
+                  }
+                },
+                {
+                  "delete_from_family": {
+                    "family_name": "family"
+                  }
+                }
+              ]
+            }
+          },
+          "error": false
+        }
+      ]
+    },
+    {
+      "description": "1 chunked SetCell + many nonchunked mods([{SC_chunk1(v)}, {SC_chunk2(alue-VAL),DF,DC}]->ChangeStreamMutation{SC(value-VAL),DF,DC})",
+      "api_responses": [
+        {
+          "data_change": {
+            "row_key": "0000000000000000",
+            "type": "USER",
+            "source_cluster_id": "source-cluster-id",
+            "commit_timestamp": "2022-07-01T00:00:00Z",
+            "tiebreaker": 100,
+            "chunks": [
+              {
+                "chunk_info": {
+                  "chunked_value_size": 9
+                },
+                "mutation": {
+                  "set_cell": {
+                    "family_name": "family",
+                    "column_qualifier": "0000000000000000",
+                    "timestamp_micros": 1000,
+                    "value": "dg=="
+                  }
+                }
+              }
+            ]
+          }
+        },
+        {
+          "data_change": {
+            "type": "CONTINUATION",
+            "token": "data-change-token",
+            "estimated_low_watermark": "2022-07-01T00:00:00Z",
+            "chunks": [
+              {
+                "chunk_info": {
+                  "chunked_value_offset": 1,
+                  "chunked_value_size": 9,
+                  "last_chunk": true
+                },
+                "mutation": {
+                  "set_cell": {
+                    "value": "YWx1ZS1WQUw="
+                  }
+                }
+              },
+              {
+                "mutation": {
+                  "delete_from_column" : {
+                    "family_name": "family",
+                    "column_qualifier": "dg==",
+                    "time_range": {
+                      "start_timestamp_micros": 5000,
+                      "end_timestamp_micros": 15000
+                    }
+                  }
+                }
+              },
+              {
+                "mutation": {
+                  "delete_from_family": {
+                    "family_name": "family"
+                  }
+                }
+              }
+            ],
+            "done": true
+          }
+        }
+      ],
+      "results": [
+        {
+          "record": {
+            "change_stream_mutation": {
+              "row_key": "0000000000000000",
+              "type": "USER",
+              "source_cluster_id": "source-cluster-id",
+              "commit_timestamp": "2022-07-01T00:00:00Z",
+              "tiebreaker": 100,
+              "token": "data-change-token",
+              "estimated_low_watermark": "2022-07-01T00:00:00Z",
+              "mutations": [
+                {
+                  "set_cell": {
+                    "family_name": "family",
+                    "column_qualifier": "0000000000000000",
+                    "timestamp_micros": 1000,
+                    "value": "dmFsdWUtVkFM"
+                  }
+                },
+                {
+                  "delete_from_column" : {
+                    "family_name": "family",
+                    "column_qualifier": "dg==",
+                    "time_range": {
+                      "start_timestamp_micros": 5000,
+                      "end_timestamp_micros": 15000
+                    }
+                  }
+                },
+                {
+                  "delete_from_family": {
+                    "family_name": "family"
+                  }
+                }
+              ]
+            }
+          },
+          "error": false
+        }
+      ]
+    },
+    {
+      "description": "non SetCell chunking([{DF1},{DF2,DC}]->ChangeStreamMutation{DF1,DF2,DC})",
+      "api_responses": [
+        {
+          "data_change": {
+            "row_key": "0000000000000000",
+            "type": "USER",
+            "source_cluster_id": "source-cluster-id",
+            "commit_timestamp": "2022-07-01T00:00:00Z",
+            "tiebreaker": 100,
+            "chunks": [
+              {
+                "mutation": {
+                  "delete_from_family": {
+                    "family_name": "family"
+                  }
+                }
+              }
+            ]
+          }
+        },
+        {
+          "data_change": {
+            "type": "CONTINUATION",
+            "token": "data-change-token",
+            "estimated_low_watermark": "2022-07-01T00:00:00Z",
+            "chunks": [
+              {
+                "mutation": {
+                  "delete_from_family": {
+                    "family_name": "family"
+                  }
+                }
+              },
+              {
+                "mutation": {
+                  "delete_from_column" : {
+                    "family_name": "family",
+                    "column_qualifier": "dg==",
+                    "time_range": {
+                      "start_timestamp_micros": 5000,
+                      "end_timestamp_micros": 15000
+                    }
+                  }
+                }
+              }
+            ],
+            "done": true
+          }
+        }
+      ],
+      "results": [
+        {
+          "record": {
+            "change_stream_mutation": {
+              "row_key": "0000000000000000",
+              "type": "USER",
+              "source_cluster_id": "source-cluster-id",
+              "commit_timestamp": "2022-07-01T00:00:00Z",
+              "tiebreaker": 100,
+              "token": "data-change-token",
+              "estimated_low_watermark": "2022-07-01T00:00:00Z",
+              "mutations": [
+                {
+                  "delete_from_family": {
+                    "family_name": "family"
+                  }
+                },
+                {
+                  "delete_from_family": {
+                    "family_name": "family"
+                  }
+                },
+                {
+                  "delete_from_column" : {
+                    "family_name": "family",
+                    "column_qualifier": "dg==",
+                    "time_range": {
+                      "start_timestamp_micros": 5000,
+                      "end_timestamp_micros": 15000
+                    }
+                  }
+                }
+              ]
+            }
+          },
+          "error": false
+        }
+      ]
+    },
+    {
+      "description": "2 logical mutations with non SetCell chunking + CloseStream([{Change1_DF1}, {Change1_DF2}, {Change2_DF3}, {Change2_DF4}, {CloseStream}]->[ChangeStreamMutation1{DF1,DF2}),ChangeStreamMutation2{DF3,DF4}),CloseStream]",
+      "api_responses": [
+        {
+          "data_change": {
+            "row_key": "0000000000000000",
+            "type": "USER",
+            "source_cluster_id": "source-cluster-id",
+            "commit_timestamp": "2022-07-01T00:00:00Z",
+            "tiebreaker": 100,
+            "chunks": [
+              {
+                "mutation": {
+                  "delete_from_family": {
+                    "family_name": "family"
+                  }
+                }
+              }
+            ]
+          }
+        },
+        {
+          "data_change": {
+            "type": "CONTINUATION",
+            "token": "data-change-token",
+            "estimated_low_watermark": "2022-07-01T00:00:00Z",
+            "chunks": [
+              {
+                "mutation": {
+                  "delete_from_family": {
+                    "family_name": "family"
+                  }
+                }
+              }
+            ],
+            "done": true
+          }
+        },
+        {
+          "data_change": {
+            "row_key": "0000000000000000",
+            "type": "USER",
+            "source_cluster_id": "source-cluster-id",
+            "commit_timestamp": "2022-07-01T00:00:00Z",
+            "tiebreaker": 100,
+            "chunks": [
+              {
+                "mutation": {
+                  "delete_from_family": {
+                    "family_name": "family"
+                  }
+                }
+              }
+            ]
+          }
+        },
+        {
+          "data_change": {
+            "type": "CONTINUATION",
+            "token": "data-change-token",
+            "estimated_low_watermark": "2022-07-01T00:00:00Z",
+            "chunks": [
+              {
+                "mutation": {
+                  "delete_from_family": {
+                    "family_name": "family"
+                  }
+                }
+              }
+            ],
+            "done": true
+          }
+        },
+        {
+          "close_stream": {
+            "status": {
+              "code": "11",
+              "message": "Partition boundaries are misaligned."
+            },
+            "continuation_tokens": [
+              {
+                "partition": {
+                  "row_range": {
+                    "start_key_closed": "",
+                    "end_key_open": "0000000000000001"
+                  }
+                },
+                "token": "close-stream-token-1"
+              },
+              {
+                "partition": {
+                  "row_range": {
+                    "start_key_closed": "0000000000000001",
+                    "end_key_open": "0000000000000002"
+                  }
+                },
+                "token": "close-stream-token-2"
+              }
+            ]
+          }
+        }
+      ],
+      "results": [
+        {
+          "record": {
+            "change_stream_mutation": {
+              "row_key": "0000000000000000",
+              "type": "USER",
+              "source_cluster_id": "source-cluster-id",
+              "commit_timestamp": "2022-07-01T00:00:00Z",
+              "tiebreaker": 100,
+              "token": "data-change-token",
+              "estimated_low_watermark": "2022-07-01T00:00:00Z",
+              "mutations": [
+                {
+                  "delete_from_family": {
+                    "family_name": "family"
+                  }
+                },
+                {
+                  "delete_from_family": {
+                    "family_name": "family"
+                  }
+                }
+              ]
+            }
+          },
+          "error": false
+        },
+        {
+          "record": {
+            "change_stream_mutation": {
+              "row_key": "0000000000000000",
+              "type": "USER",
+              "source_cluster_id": "source-cluster-id",
+              "commit_timestamp": "2022-07-01T00:00:00Z",
+              "tiebreaker": 100,
+              "token": "data-change-token",
+              "estimated_low_watermark": "2022-07-01T00:00:00Z",
+              "mutations": [
+                {
+                  "delete_from_family": {
+                    "family_name": "family"
+                  }
+                },
+                {
+                  "delete_from_family": {
+                    "family_name": "family"
+                  }
+                }
+              ]
+            }
+          },
+          "error": false
+        },
+        {
+          "record" : {
+            "close_stream": {
+              "status": {
+                "code": "11",
+                "message": "Partition boundaries are misaligned."
+              },
+              "continuation_tokens": [
+                {
+                  "partition": {
+                    "row_range": {
+                      "start_key_closed": "",
+                      "end_key_open": "0000000000000001"
+                    }
+                  },
+                  "token": "close-stream-token-1"
+                },
+                {
+                  "partition": {
+                    "row_range": {
+                      "start_key_closed": "0000000000000001",
+                      "end_key_open": "0000000000000002"
+                    }
+                  },
+                  "token": "close-stream-token-2"
+                }
+              ]
+            }
+          },
+          "error": false
+        }
+      ]
+    }
+  ]
+}
\ No newline at end of file