From d20d76333dee6a62259182d585ee0ec2e306e382 Mon Sep 17 00:00:00 2001
From: "gcf-owl-bot[bot]" <78513119+gcf-owl-bot[bot]@users.noreply.github.com>
Date: Wed, 10 Nov 2021 21:52:24 +0000
Subject: [PATCH] docs(samples): add example tags to generated samples (#561)

- [ ] Regenerate this pull request now.

PiperOrigin-RevId: 408439482

Source-Link: https://github.com/googleapis/googleapis/commit/b9f61843dc80c7c285fc34fd3a40aae55082c2b9

Source-Link: https://github.com/googleapis/googleapis-gen/commit/eb888bc214efc7bf43bf4634b470254565a659a5
Copy-Tag: eyJwIjoiLmdpdGh1Yi8uT3dsQm90LnlhbWwiLCJoIjoiZWI4ODhiYzIxNGVmYzdiZjQzYmY0NjM0YjQ3MDI1NDU2NWE2NTlhNSJ9
---
 .../linkinator.config.json                    |   2 +-
 .../v1/text_to_speech.list_voices.js          |  57 ++++++++++
 .../v1/text_to_speech.synthesize_speech.js    |  62 +++++++++++
 .../v1beta1/text_to_speech.list_voices.js     |  58 ++++++++++
 .../text_to_speech.synthesize_speech.js       |  66 ++++++++++++
 .../src/v1/text_to_speech_client.ts           |  96 +++++++++--------
 .../src/v1beta1/text_to_speech_client.ts      | 102 +++++++++---------
 .../test/gapic_text_to_speech_v1.ts           |  12 +--
 .../test/gapic_text_to_speech_v1beta1.ts      |  12 +--
 9 files changed, 359 insertions(+), 108 deletions(-)
 create mode 100644 packages/google-cloud-texttospeech/samples/generated/v1/text_to_speech.list_voices.js
 create mode 100644 packages/google-cloud-texttospeech/samples/generated/v1/text_to_speech.synthesize_speech.js
 create mode 100644 packages/google-cloud-texttospeech/samples/generated/v1beta1/text_to_speech.list_voices.js
 create mode 100644 packages/google-cloud-texttospeech/samples/generated/v1beta1/text_to_speech.synthesize_speech.js

diff --git a/packages/google-cloud-texttospeech/linkinator.config.json b/packages/google-cloud-texttospeech/linkinator.config.json
index 29a223b6db6..0121dfa684f 100644
--- a/packages/google-cloud-texttospeech/linkinator.config.json
+++ b/packages/google-cloud-texttospeech/linkinator.config.json
@@ -6,5 +6,5 @@
     "img.shields.io"
   ],
   "silent": true,
-  "concurrency": 10
+  "concurrency": 5
 }
diff --git a/packages/google-cloud-texttospeech/samples/generated/v1/text_to_speech.list_voices.js b/packages/google-cloud-texttospeech/samples/generated/v1/text_to_speech.list_voices.js
new file mode 100644
index 00000000000..a777ea279a0
--- /dev/null
+++ b/packages/google-cloud-texttospeech/samples/generated/v1/text_to_speech.list_voices.js
@@ -0,0 +1,57 @@
+// Copyright 2021 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
+//
+//      http://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.
+
+'use strict';
+
+function main() {
+  // [START texttospeech_v1_generated_TextToSpeech_ListVoices_async]
+  /**
+   * TODO(developer): Uncomment these variables before running the sample.
+   */
+  /**
+   *  Optional. Recommended.
+   *  BCP-47 (https://www.rfc-editor.org/rfc/bcp/bcp47.txt) language tag. If
+   *  specified, the ListVoices call will only return voices that can be used to
+   *  synthesize this language_code. E.g. when specifying "en-NZ", you will get
+   *  supported "en-\*" voices; when specifying "no", you will get supported
+   *  "no-\*" (Norwegian) and "nb-\*" (Norwegian Bokmal) voices; specifying "zh"
+   *  will also get supported "cmn-\*" voices; specifying "zh-hk" will also get
+   *  supported "yue-\*" voices.
+   */
+  // const languageCode = 'abc123'
+
+  // Imports the Texttospeech library
+  const {TextToSpeechClient} = require('@google-cloud/text-to-speech').v1;
+
+  // Instantiates a client
+  const texttospeechClient = new TextToSpeechClient();
+
+  async function callListVoices() {
+    // Construct request
+    const request = {};
+
+    // Run request
+    const response = await texttospeechClient.listVoices(request);
+    console.log(response);
+  }
+
+  callListVoices();
+  // [END texttospeech_v1_generated_TextToSpeech_ListVoices_async]
+}
+
+process.on('unhandledRejection', err => {
+  console.error(err.message);
+  process.exitCode = 1;
+});
+main(...process.argv.slice(2));
diff --git a/packages/google-cloud-texttospeech/samples/generated/v1/text_to_speech.synthesize_speech.js b/packages/google-cloud-texttospeech/samples/generated/v1/text_to_speech.synthesize_speech.js
new file mode 100644
index 00000000000..f57805958cc
--- /dev/null
+++ b/packages/google-cloud-texttospeech/samples/generated/v1/text_to_speech.synthesize_speech.js
@@ -0,0 +1,62 @@
+// Copyright 2021 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
+//
+//      http://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.
+
+'use strict';
+
+function main(input, voice, audioConfig) {
+  // [START texttospeech_v1_generated_TextToSpeech_SynthesizeSpeech_async]
+  /**
+   * TODO(developer): Uncomment these variables before running the sample.
+   */
+  /**
+   *  Required. The Synthesizer requires either plain text or SSML as input.
+   */
+  // const input = {}
+  /**
+   *  Required. The desired voice of the synthesized audio.
+   */
+  // const voice = {}
+  /**
+   *  Required. The configuration of the synthesized audio.
+   */
+  // const audioConfig = {}
+
+  // Imports the Texttospeech library
+  const {TextToSpeechClient} = require('@google-cloud/text-to-speech').v1;
+
+  // Instantiates a client
+  const texttospeechClient = new TextToSpeechClient();
+
+  async function callSynthesizeSpeech() {
+    // Construct request
+    const request = {
+      input,
+      voice,
+      audioConfig,
+    };
+
+    // Run request
+    const response = await texttospeechClient.synthesizeSpeech(request);
+    console.log(response);
+  }
+
+  callSynthesizeSpeech();
+  // [END texttospeech_v1_generated_TextToSpeech_SynthesizeSpeech_async]
+}
+
+process.on('unhandledRejection', err => {
+  console.error(err.message);
+  process.exitCode = 1;
+});
+main(...process.argv.slice(2));
diff --git a/packages/google-cloud-texttospeech/samples/generated/v1beta1/text_to_speech.list_voices.js b/packages/google-cloud-texttospeech/samples/generated/v1beta1/text_to_speech.list_voices.js
new file mode 100644
index 00000000000..28c422320f6
--- /dev/null
+++ b/packages/google-cloud-texttospeech/samples/generated/v1beta1/text_to_speech.list_voices.js
@@ -0,0 +1,58 @@
+// Copyright 2021 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
+//
+//      http://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.
+
+'use strict';
+
+function main() {
+  // [START texttospeech_v1beta1_generated_TextToSpeech_ListVoices_async]
+  /**
+   * TODO(developer): Uncomment these variables before running the sample.
+   */
+  /**
+   *  Optional. Recommended.
+   *  BCP-47 (https://www.rfc-editor.org/rfc/bcp/bcp47.txt) language tag.
+   *  If not specified, the API will return all supported voices.
+   *  If specified, the ListVoices call will only return voices that can be used
+   *  to synthesize this language_code. E.g. when specifying "en-NZ", you will
+   *  get supported "en-NZ" voices; when specifying "no", you will get supported
+   *  "no-\*" (Norwegian) and "nb-\*" (Norwegian Bokmal) voices; specifying "zh"
+   *  will also get supported "cmn-\*" voices; specifying "zh-hk" will also get
+   *  supported "yue-hk" voices.
+   */
+  // const languageCode = 'abc123'
+
+  // Imports the Texttospeech library
+  const {TextToSpeechClient} = require('@google-cloud/text-to-speech').v1beta1;
+
+  // Instantiates a client
+  const texttospeechClient = new TextToSpeechClient();
+
+  async function callListVoices() {
+    // Construct request
+    const request = {};
+
+    // Run request
+    const response = await texttospeechClient.listVoices(request);
+    console.log(response);
+  }
+
+  callListVoices();
+  // [END texttospeech_v1beta1_generated_TextToSpeech_ListVoices_async]
+}
+
+process.on('unhandledRejection', err => {
+  console.error(err.message);
+  process.exitCode = 1;
+});
+main(...process.argv.slice(2));
diff --git a/packages/google-cloud-texttospeech/samples/generated/v1beta1/text_to_speech.synthesize_speech.js b/packages/google-cloud-texttospeech/samples/generated/v1beta1/text_to_speech.synthesize_speech.js
new file mode 100644
index 00000000000..a43e1ffa5d1
--- /dev/null
+++ b/packages/google-cloud-texttospeech/samples/generated/v1beta1/text_to_speech.synthesize_speech.js
@@ -0,0 +1,66 @@
+// Copyright 2021 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
+//
+//      http://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.
+
+'use strict';
+
+function main(input, voice, audioConfig) {
+  // [START texttospeech_v1beta1_generated_TextToSpeech_SynthesizeSpeech_async]
+  /**
+   * TODO(developer): Uncomment these variables before running the sample.
+   */
+  /**
+   *  Required. The Synthesizer requires either plain text or SSML as input.
+   */
+  // const input = {}
+  /**
+   *  Required. The desired voice of the synthesized audio.
+   */
+  // const voice = {}
+  /**
+   *  Required. The configuration of the synthesized audio.
+   */
+  // const audioConfig = {}
+  /**
+   *  Whether and what timepoints are returned in the response.
+   */
+  // const enableTimePointing = 1234
+
+  // Imports the Texttospeech library
+  const {TextToSpeechClient} = require('@google-cloud/text-to-speech').v1beta1;
+
+  // Instantiates a client
+  const texttospeechClient = new TextToSpeechClient();
+
+  async function callSynthesizeSpeech() {
+    // Construct request
+    const request = {
+      input,
+      voice,
+      audioConfig,
+    };
+
+    // Run request
+    const response = await texttospeechClient.synthesizeSpeech(request);
+    console.log(response);
+  }
+
+  callSynthesizeSpeech();
+  // [END texttospeech_v1beta1_generated_TextToSpeech_SynthesizeSpeech_async]
+}
+
+process.on('unhandledRejection', err => {
+  console.error(err.message);
+  process.exitCode = 1;
+});
+main(...process.argv.slice(2));
diff --git a/packages/google-cloud-texttospeech/src/v1/text_to_speech_client.ts b/packages/google-cloud-texttospeech/src/v1/text_to_speech_client.ts
index f4d7eff5ef0..32cce887ef4 100644
--- a/packages/google-cloud-texttospeech/src/v1/text_to_speech_client.ts
+++ b/packages/google-cloud-texttospeech/src/v1/text_to_speech_client.ts
@@ -281,6 +281,30 @@ export class TextToSpeechClient {
   // -------------------
   // -- Service calls --
   // -------------------
+  /**
+   * Returns a list of Voice supported for synthesis.
+   *
+   * @param {Object} request
+   *   The request object that will be sent.
+   * @param {string} [request.languageCode]
+   *   Optional. Recommended.
+   *   [BCP-47](https://www.rfc-editor.org/rfc/bcp/bcp47.txt) language tag. If
+   *   specified, the ListVoices call will only return voices that can be used to
+   *   synthesize this language_code. E.g. when specifying "en-NZ", you will get
+   *   supported "en-\*" voices; when specifying "no", you will get supported
+   *   "no-\*" (Norwegian) and "nb-\*" (Norwegian Bokmal) voices; specifying "zh"
+   *   will also get supported "cmn-\*" voices; specifying "zh-hk" will also get
+   *   supported "yue-\*" voices.
+   * @param {object} [options]
+   *   Call options. See {@link https://googleapis.dev/nodejs/google-gax/latest/interfaces/CallOptions.html|CallOptions} for more details.
+   * @returns {Promise} - The promise which resolves to an array.
+   *   The first element of the array is an object representing [ListVoicesResponse]{@link google.cloud.texttospeech.v1.ListVoicesResponse}.
+   *   Please see the
+   *   [documentation](https://github.com/googleapis/gax-nodejs/blob/master/client-libraries.md#regular-methods)
+   *   for more details and examples.
+   * @example <caption>include:samples/generated/v1/text_to_speech.list_voices.js</caption>
+   * region_tag:texttospeech_v1_generated_TextToSpeech_ListVoices_async
+   */
   listVoices(
     request?: protos.google.cloud.texttospeech.v1.IListVoicesRequest,
     options?: CallOptions
@@ -308,30 +332,6 @@ export class TextToSpeechClient {
       {} | null | undefined
     >
   ): void;
-  /**
-   * Returns a list of Voice supported for synthesis.
-   *
-   * @param {Object} request
-   *   The request object that will be sent.
-   * @param {string} [request.languageCode]
-   *   Optional. Recommended.
-   *   [BCP-47](https://www.rfc-editor.org/rfc/bcp/bcp47.txt) language tag. If
-   *   specified, the ListVoices call will only return voices that can be used to
-   *   synthesize this language_code. E.g. when specifying "en-NZ", you will get
-   *   supported "en-\*" voices; when specifying "no", you will get supported
-   *   "no-\*" (Norwegian) and "nb-\*" (Norwegian Bokmal) voices; specifying "zh"
-   *   will also get supported "cmn-\*" voices; specifying "zh-hk" will also get
-   *   supported "yue-\*" voices.
-   * @param {object} [options]
-   *   Call options. See {@link https://googleapis.dev/nodejs/google-gax/latest/interfaces/CallOptions.html|CallOptions} for more details.
-   * @returns {Promise} - The promise which resolves to an array.
-   *   The first element of the array is an object representing [ListVoicesResponse]{@link google.cloud.texttospeech.v1.ListVoicesResponse}.
-   *   Please see the
-   *   [documentation](https://github.com/googleapis/gax-nodejs/blob/master/client-libraries.md#regular-methods)
-   *   for more details and examples.
-   * @example
-   * const [response] = await client.listVoices(request);
-   */
   listVoices(
     request?: protos.google.cloud.texttospeech.v1.IListVoicesRequest,
     optionsOrCallback?:
@@ -364,9 +364,33 @@ export class TextToSpeechClient {
       options = optionsOrCallback as CallOptions;
     }
     options = options || {};
+    options.otherArgs = options.otherArgs || {};
+    options.otherArgs.headers = options.otherArgs.headers || {};
     this.initialize();
     return this.innerApiCalls.listVoices(request, options, callback);
   }
+  /**
+   * Synthesizes speech synchronously: receive results after all text input
+   * has been processed.
+   *
+   * @param {Object} request
+   *   The request object that will be sent.
+   * @param {google.cloud.texttospeech.v1.SynthesisInput} request.input
+   *   Required. The Synthesizer requires either plain text or SSML as input.
+   * @param {google.cloud.texttospeech.v1.VoiceSelectionParams} request.voice
+   *   Required. The desired voice of the synthesized audio.
+   * @param {google.cloud.texttospeech.v1.AudioConfig} request.audioConfig
+   *   Required. The configuration of the synthesized audio.
+   * @param {object} [options]
+   *   Call options. See {@link https://googleapis.dev/nodejs/google-gax/latest/interfaces/CallOptions.html|CallOptions} for more details.
+   * @returns {Promise} - The promise which resolves to an array.
+   *   The first element of the array is an object representing [SynthesizeSpeechResponse]{@link google.cloud.texttospeech.v1.SynthesizeSpeechResponse}.
+   *   Please see the
+   *   [documentation](https://github.com/googleapis/gax-nodejs/blob/master/client-libraries.md#regular-methods)
+   *   for more details and examples.
+   * @example <caption>include:samples/generated/v1/text_to_speech.synthesize_speech.js</caption>
+   * region_tag:texttospeech_v1_generated_TextToSpeech_SynthesizeSpeech_async
+   */
   synthesizeSpeech(
     request?: protos.google.cloud.texttospeech.v1.ISynthesizeSpeechRequest,
     options?: CallOptions
@@ -398,28 +422,6 @@ export class TextToSpeechClient {
       {} | null | undefined
     >
   ): void;
-  /**
-   * Synthesizes speech synchronously: receive results after all text input
-   * has been processed.
-   *
-   * @param {Object} request
-   *   The request object that will be sent.
-   * @param {google.cloud.texttospeech.v1.SynthesisInput} request.input
-   *   Required. The Synthesizer requires either plain text or SSML as input.
-   * @param {google.cloud.texttospeech.v1.VoiceSelectionParams} request.voice
-   *   Required. The desired voice of the synthesized audio.
-   * @param {google.cloud.texttospeech.v1.AudioConfig} request.audioConfig
-   *   Required. The configuration of the synthesized audio.
-   * @param {object} [options]
-   *   Call options. See {@link https://googleapis.dev/nodejs/google-gax/latest/interfaces/CallOptions.html|CallOptions} for more details.
-   * @returns {Promise} - The promise which resolves to an array.
-   *   The first element of the array is an object representing [SynthesizeSpeechResponse]{@link google.cloud.texttospeech.v1.SynthesizeSpeechResponse}.
-   *   Please see the
-   *   [documentation](https://github.com/googleapis/gax-nodejs/blob/master/client-libraries.md#regular-methods)
-   *   for more details and examples.
-   * @example
-   * const [response] = await client.synthesizeSpeech(request);
-   */
   synthesizeSpeech(
     request?: protos.google.cloud.texttospeech.v1.ISynthesizeSpeechRequest,
     optionsOrCallback?:
@@ -454,6 +456,8 @@ export class TextToSpeechClient {
       options = optionsOrCallback as CallOptions;
     }
     options = options || {};
+    options.otherArgs = options.otherArgs || {};
+    options.otherArgs.headers = options.otherArgs.headers || {};
     this.initialize();
     return this.innerApiCalls.synthesizeSpeech(request, options, callback);
   }
diff --git a/packages/google-cloud-texttospeech/src/v1beta1/text_to_speech_client.ts b/packages/google-cloud-texttospeech/src/v1beta1/text_to_speech_client.ts
index e20a52738c7..91db5964c4e 100644
--- a/packages/google-cloud-texttospeech/src/v1beta1/text_to_speech_client.ts
+++ b/packages/google-cloud-texttospeech/src/v1beta1/text_to_speech_client.ts
@@ -281,6 +281,31 @@ export class TextToSpeechClient {
   // -------------------
   // -- Service calls --
   // -------------------
+  /**
+   * Returns a list of Voice supported for synthesis.
+   *
+   * @param {Object} request
+   *   The request object that will be sent.
+   * @param {string} [request.languageCode]
+   *   Optional. Recommended.
+   *   [BCP-47](https://www.rfc-editor.org/rfc/bcp/bcp47.txt) language tag.
+   *   If not specified, the API will return all supported voices.
+   *   If specified, the ListVoices call will only return voices that can be used
+   *   to synthesize this language_code. E.g. when specifying "en-NZ", you will
+   *   get supported "en-NZ" voices; when specifying "no", you will get supported
+   *   "no-\*" (Norwegian) and "nb-\*" (Norwegian Bokmal) voices; specifying "zh"
+   *   will also get supported "cmn-\*" voices; specifying "zh-hk" will also get
+   *   supported "yue-hk" voices.
+   * @param {object} [options]
+   *   Call options. See {@link https://googleapis.dev/nodejs/google-gax/latest/interfaces/CallOptions.html|CallOptions} for more details.
+   * @returns {Promise} - The promise which resolves to an array.
+   *   The first element of the array is an object representing [ListVoicesResponse]{@link google.cloud.texttospeech.v1beta1.ListVoicesResponse}.
+   *   Please see the
+   *   [documentation](https://github.com/googleapis/gax-nodejs/blob/master/client-libraries.md#regular-methods)
+   *   for more details and examples.
+   * @example <caption>include:samples/generated/v1beta1/text_to_speech.list_voices.js</caption>
+   * region_tag:texttospeech_v1beta1_generated_TextToSpeech_ListVoices_async
+   */
   listVoices(
     request?: protos.google.cloud.texttospeech.v1beta1.IListVoicesRequest,
     options?: CallOptions
@@ -312,31 +337,6 @@ export class TextToSpeechClient {
       {} | null | undefined
     >
   ): void;
-  /**
-   * Returns a list of Voice supported for synthesis.
-   *
-   * @param {Object} request
-   *   The request object that will be sent.
-   * @param {string} [request.languageCode]
-   *   Optional. Recommended.
-   *   [BCP-47](https://www.rfc-editor.org/rfc/bcp/bcp47.txt) language tag.
-   *   If not specified, the API will return all supported voices.
-   *   If specified, the ListVoices call will only return voices that can be used
-   *   to synthesize this language_code. E.g. when specifying "en-NZ", you will
-   *   get supported "en-NZ" voices; when specifying "no", you will get supported
-   *   "no-\*" (Norwegian) and "nb-\*" (Norwegian Bokmal) voices; specifying "zh"
-   *   will also get supported "cmn-\*" voices; specifying "zh-hk" will also get
-   *   supported "yue-hk" voices.
-   * @param {object} [options]
-   *   Call options. See {@link https://googleapis.dev/nodejs/google-gax/latest/interfaces/CallOptions.html|CallOptions} for more details.
-   * @returns {Promise} - The promise which resolves to an array.
-   *   The first element of the array is an object representing [ListVoicesResponse]{@link google.cloud.texttospeech.v1beta1.ListVoicesResponse}.
-   *   Please see the
-   *   [documentation](https://github.com/googleapis/gax-nodejs/blob/master/client-libraries.md#regular-methods)
-   *   for more details and examples.
-   * @example
-   * const [response] = await client.listVoices(request);
-   */
   listVoices(
     request?: protos.google.cloud.texttospeech.v1beta1.IListVoicesRequest,
     optionsOrCallback?:
@@ -371,9 +371,35 @@ export class TextToSpeechClient {
       options = optionsOrCallback as CallOptions;
     }
     options = options || {};
+    options.otherArgs = options.otherArgs || {};
+    options.otherArgs.headers = options.otherArgs.headers || {};
     this.initialize();
     return this.innerApiCalls.listVoices(request, options, callback);
   }
+  /**
+   * Synthesizes speech synchronously: receive results after all text input
+   * has been processed.
+   *
+   * @param {Object} request
+   *   The request object that will be sent.
+   * @param {google.cloud.texttospeech.v1beta1.SynthesisInput} request.input
+   *   Required. The Synthesizer requires either plain text or SSML as input.
+   * @param {google.cloud.texttospeech.v1beta1.VoiceSelectionParams} request.voice
+   *   Required. The desired voice of the synthesized audio.
+   * @param {google.cloud.texttospeech.v1beta1.AudioConfig} request.audioConfig
+   *   Required. The configuration of the synthesized audio.
+   * @param {number[]} request.enableTimePointing
+   *   Whether and what timepoints are returned in the response.
+   * @param {object} [options]
+   *   Call options. See {@link https://googleapis.dev/nodejs/google-gax/latest/interfaces/CallOptions.html|CallOptions} for more details.
+   * @returns {Promise} - The promise which resolves to an array.
+   *   The first element of the array is an object representing [SynthesizeSpeechResponse]{@link google.cloud.texttospeech.v1beta1.SynthesizeSpeechResponse}.
+   *   Please see the
+   *   [documentation](https://github.com/googleapis/gax-nodejs/blob/master/client-libraries.md#regular-methods)
+   *   for more details and examples.
+   * @example <caption>include:samples/generated/v1beta1/text_to_speech.synthesize_speech.js</caption>
+   * region_tag:texttospeech_v1beta1_generated_TextToSpeech_SynthesizeSpeech_async
+   */
   synthesizeSpeech(
     request?: protos.google.cloud.texttospeech.v1beta1.ISynthesizeSpeechRequest,
     options?: CallOptions
@@ -408,30 +434,6 @@ export class TextToSpeechClient {
       {} | null | undefined
     >
   ): void;
-  /**
-   * Synthesizes speech synchronously: receive results after all text input
-   * has been processed.
-   *
-   * @param {Object} request
-   *   The request object that will be sent.
-   * @param {google.cloud.texttospeech.v1beta1.SynthesisInput} request.input
-   *   Required. The Synthesizer requires either plain text or SSML as input.
-   * @param {google.cloud.texttospeech.v1beta1.VoiceSelectionParams} request.voice
-   *   Required. The desired voice of the synthesized audio.
-   * @param {google.cloud.texttospeech.v1beta1.AudioConfig} request.audioConfig
-   *   Required. The configuration of the synthesized audio.
-   * @param {number[]} request.enableTimePointing
-   *   Whether and what timepoints are returned in the response.
-   * @param {object} [options]
-   *   Call options. See {@link https://googleapis.dev/nodejs/google-gax/latest/interfaces/CallOptions.html|CallOptions} for more details.
-   * @returns {Promise} - The promise which resolves to an array.
-   *   The first element of the array is an object representing [SynthesizeSpeechResponse]{@link google.cloud.texttospeech.v1beta1.SynthesizeSpeechResponse}.
-   *   Please see the
-   *   [documentation](https://github.com/googleapis/gax-nodejs/blob/master/client-libraries.md#regular-methods)
-   *   for more details and examples.
-   * @example
-   * const [response] = await client.synthesizeSpeech(request);
-   */
   synthesizeSpeech(
     request?: protos.google.cloud.texttospeech.v1beta1.ISynthesizeSpeechRequest,
     optionsOrCallback?:
@@ -469,6 +471,8 @@ export class TextToSpeechClient {
       options = optionsOrCallback as CallOptions;
     }
     options = options || {};
+    options.otherArgs = options.otherArgs || {};
+    options.otherArgs.headers = options.otherArgs.headers || {};
     this.initialize();
     return this.innerApiCalls.synthesizeSpeech(request, options, callback);
   }
diff --git a/packages/google-cloud-texttospeech/test/gapic_text_to_speech_v1.ts b/packages/google-cloud-texttospeech/test/gapic_text_to_speech_v1.ts
index dc20c16c335..e43883e582f 100644
--- a/packages/google-cloud-texttospeech/test/gapic_text_to_speech_v1.ts
+++ b/packages/google-cloud-texttospeech/test/gapic_text_to_speech_v1.ts
@@ -140,7 +140,7 @@ describe('v1.TextToSpeechClient', () => {
       const request = generateSampleMessage(
         new protos.google.cloud.texttospeech.v1.ListVoicesRequest()
       );
-      const expectedOptions = {};
+      const expectedOptions = {otherArgs: {headers: {}}};
       const expectedResponse = generateSampleMessage(
         new protos.google.cloud.texttospeech.v1.ListVoicesResponse()
       );
@@ -163,7 +163,7 @@ describe('v1.TextToSpeechClient', () => {
       const request = generateSampleMessage(
         new protos.google.cloud.texttospeech.v1.ListVoicesRequest()
       );
-      const expectedOptions = {};
+      const expectedOptions = {otherArgs: {headers: {}}};
       const expectedResponse = generateSampleMessage(
         new protos.google.cloud.texttospeech.v1.ListVoicesResponse()
       );
@@ -202,7 +202,7 @@ describe('v1.TextToSpeechClient', () => {
       const request = generateSampleMessage(
         new protos.google.cloud.texttospeech.v1.ListVoicesRequest()
       );
-      const expectedOptions = {};
+      const expectedOptions = {otherArgs: {headers: {}}};
       const expectedError = new Error('expected');
       client.innerApiCalls.listVoices = stubSimpleCall(
         undefined,
@@ -227,7 +227,7 @@ describe('v1.TextToSpeechClient', () => {
       const request = generateSampleMessage(
         new protos.google.cloud.texttospeech.v1.SynthesizeSpeechRequest()
       );
-      const expectedOptions = {};
+      const expectedOptions = {otherArgs: {headers: {}}};
       const expectedResponse = generateSampleMessage(
         new protos.google.cloud.texttospeech.v1.SynthesizeSpeechResponse()
       );
@@ -250,7 +250,7 @@ describe('v1.TextToSpeechClient', () => {
       const request = generateSampleMessage(
         new protos.google.cloud.texttospeech.v1.SynthesizeSpeechRequest()
       );
-      const expectedOptions = {};
+      const expectedOptions = {otherArgs: {headers: {}}};
       const expectedResponse = generateSampleMessage(
         new protos.google.cloud.texttospeech.v1.SynthesizeSpeechResponse()
       );
@@ -289,7 +289,7 @@ describe('v1.TextToSpeechClient', () => {
       const request = generateSampleMessage(
         new protos.google.cloud.texttospeech.v1.SynthesizeSpeechRequest()
       );
-      const expectedOptions = {};
+      const expectedOptions = {otherArgs: {headers: {}}};
       const expectedError = new Error('expected');
       client.innerApiCalls.synthesizeSpeech = stubSimpleCall(
         undefined,
diff --git a/packages/google-cloud-texttospeech/test/gapic_text_to_speech_v1beta1.ts b/packages/google-cloud-texttospeech/test/gapic_text_to_speech_v1beta1.ts
index 496ad07fbaf..c87be04d506 100644
--- a/packages/google-cloud-texttospeech/test/gapic_text_to_speech_v1beta1.ts
+++ b/packages/google-cloud-texttospeech/test/gapic_text_to_speech_v1beta1.ts
@@ -142,7 +142,7 @@ describe('v1beta1.TextToSpeechClient', () => {
       const request = generateSampleMessage(
         new protos.google.cloud.texttospeech.v1beta1.ListVoicesRequest()
       );
-      const expectedOptions = {};
+      const expectedOptions = {otherArgs: {headers: {}}};
       const expectedResponse = generateSampleMessage(
         new protos.google.cloud.texttospeech.v1beta1.ListVoicesResponse()
       );
@@ -165,7 +165,7 @@ describe('v1beta1.TextToSpeechClient', () => {
       const request = generateSampleMessage(
         new protos.google.cloud.texttospeech.v1beta1.ListVoicesRequest()
       );
-      const expectedOptions = {};
+      const expectedOptions = {otherArgs: {headers: {}}};
       const expectedResponse = generateSampleMessage(
         new protos.google.cloud.texttospeech.v1beta1.ListVoicesResponse()
       );
@@ -204,7 +204,7 @@ describe('v1beta1.TextToSpeechClient', () => {
       const request = generateSampleMessage(
         new protos.google.cloud.texttospeech.v1beta1.ListVoicesRequest()
       );
-      const expectedOptions = {};
+      const expectedOptions = {otherArgs: {headers: {}}};
       const expectedError = new Error('expected');
       client.innerApiCalls.listVoices = stubSimpleCall(
         undefined,
@@ -229,7 +229,7 @@ describe('v1beta1.TextToSpeechClient', () => {
       const request = generateSampleMessage(
         new protos.google.cloud.texttospeech.v1beta1.SynthesizeSpeechRequest()
       );
-      const expectedOptions = {};
+      const expectedOptions = {otherArgs: {headers: {}}};
       const expectedResponse = generateSampleMessage(
         new protos.google.cloud.texttospeech.v1beta1.SynthesizeSpeechResponse()
       );
@@ -252,7 +252,7 @@ describe('v1beta1.TextToSpeechClient', () => {
       const request = generateSampleMessage(
         new protos.google.cloud.texttospeech.v1beta1.SynthesizeSpeechRequest()
       );
-      const expectedOptions = {};
+      const expectedOptions = {otherArgs: {headers: {}}};
       const expectedResponse = generateSampleMessage(
         new protos.google.cloud.texttospeech.v1beta1.SynthesizeSpeechResponse()
       );
@@ -291,7 +291,7 @@ describe('v1beta1.TextToSpeechClient', () => {
       const request = generateSampleMessage(
         new protos.google.cloud.texttospeech.v1beta1.SynthesizeSpeechRequest()
       );
-      const expectedOptions = {};
+      const expectedOptions = {otherArgs: {headers: {}}};
       const expectedError = new Error('expected');
       client.innerApiCalls.synthesizeSpeech = stubSimpleCall(
         undefined,