diff --git a/packages/google-cloud-bigquery-datapolicies/google/cloud/bigquery/datapolicies_v1/services/data_policy_service/transports/rest.py b/packages/google-cloud-bigquery-datapolicies/google/cloud/bigquery/datapolicies_v1/services/data_policy_service/transports/rest.py
index d19492339f95..3614c5ac1e21 100644
--- a/packages/google-cloud-bigquery-datapolicies/google/cloud/bigquery/datapolicies_v1/services/data_policy_service/transports/rest.py
+++ b/packages/google-cloud-bigquery-datapolicies/google/cloud/bigquery/datapolicies_v1/services/data_policy_service/transports/rest.py
@@ -51,10 +51,6 @@
     rest_version=requests_version,
 )
 
-# TODO (numeric enums): This file was generated with the option to
-#   request that the server respond with enums JSON-encoded as
-#   numbers. The code below does not implement that functionality yet.
-
 
 class DataPolicyServiceRestInterceptor:
     """Interceptor for DataPolicyService.
@@ -71,65 +67,73 @@ class DataPolicyServiceRestInterceptor:
 
     .. code-block:: python
         class MyCustomDataPolicyServiceInterceptor(DataPolicyServiceRestInterceptor):
-            def pre_create_data_policy(request, metadata):
+            def pre_create_data_policy(self, request, metadata):
                 logging.log(f"Received request: {request}")
                 return request, metadata
 
-            def post_create_data_policy(response):
+            def post_create_data_policy(self, response):
                 logging.log(f"Received response: {response}")
+                return response
 
-            def pre_delete_data_policy(request, metadata):
+            def pre_delete_data_policy(self, request, metadata):
                 logging.log(f"Received request: {request}")
                 return request, metadata
 
-            def pre_get_data_policy(request, metadata):
+            def pre_get_data_policy(self, request, metadata):
                 logging.log(f"Received request: {request}")
                 return request, metadata
 
-            def post_get_data_policy(response):
+            def post_get_data_policy(self, response):
                 logging.log(f"Received response: {response}")
+                return response
 
-            def pre_get_iam_policy(request, metadata):
+            def pre_get_iam_policy(self, request, metadata):
                 logging.log(f"Received request: {request}")
                 return request, metadata
 
-            def post_get_iam_policy(response):
+            def post_get_iam_policy(self, response):
                 logging.log(f"Received response: {response}")
+                return response
 
-            def pre_list_data_policies(request, metadata):
+            def pre_list_data_policies(self, request, metadata):
                 logging.log(f"Received request: {request}")
                 return request, metadata
 
-            def post_list_data_policies(response):
+            def post_list_data_policies(self, response):
                 logging.log(f"Received response: {response}")
+                return response
 
-            def pre_rename_data_policy(request, metadata):
+            def pre_rename_data_policy(self, request, metadata):
                 logging.log(f"Received request: {request}")
                 return request, metadata
 
-            def post_rename_data_policy(response):
+            def post_rename_data_policy(self, response):
                 logging.log(f"Received response: {response}")
+                return response
 
-            def pre_set_iam_policy(request, metadata):
+            def pre_set_iam_policy(self, request, metadata):
                 logging.log(f"Received request: {request}")
                 return request, metadata
 
-            def post_set_iam_policy(response):
+            def post_set_iam_policy(self, response):
                 logging.log(f"Received response: {response}")
+                return response
 
-            def pre_test_iam_permissions(request, metadata):
+            def pre_test_iam_permissions(self, request, metadata):
                 logging.log(f"Received request: {request}")
                 return request, metadata
 
-            def post_test_iam_permissions(response):
+            def post_test_iam_permissions(self, response):
                 logging.log(f"Received response: {response}")
+                return response
 
-            def pre_update_data_policy(request, metadata):
+            def pre_update_data_policy(self, request, metadata):
                 logging.log(f"Received request: {request}")
                 return request, metadata
 
-            def post_update_data_policy(response):
+            def post_update_data_policy(self, response):
                 logging.log(f"Received response: {response}")
+                return response
 
         transport = DataPolicyServiceRestTransport(interceptor=MyCustomDataPolicyServiceInterceptor())
         client = DataPolicyServiceClient(transport=transport)
diff --git a/packages/google-cloud-bigquery-datapolicies/samples/generated_samples/snippet_metadata_google.cloud.bigquery.datapolicies.v1.json b/packages/google-cloud-bigquery-datapolicies/samples/generated_samples/snippet_metadata_google.cloud.bigquery.datapolicies.v1.json
index 2e37f0a58d98..137ad417ee16 100644
--- a/packages/google-cloud-bigquery-datapolicies/samples/generated_samples/snippet_metadata_google.cloud.bigquery.datapolicies.v1.json
+++ b/packages/google-cloud-bigquery-datapolicies/samples/generated_samples/snippet_metadata_google.cloud.bigquery.datapolicies.v1.json
@@ -8,7 +8,7 @@
     ],
     "language": "PYTHON",
     "name": "google-cloud-bigquery-datapolicies",
-    "version": "0.2.0"
+    "version": "0.1.0"
   },
   "snippets": [
     {
diff --git a/packages/google-cloud-bigquery-datapolicies/samples/generated_samples/snippet_metadata_google.cloud.bigquery.datapolicies.v1beta1.json b/packages/google-cloud-bigquery-datapolicies/samples/generated_samples/snippet_metadata_google.cloud.bigquery.datapolicies.v1beta1.json
index 83bcde8488db..007618ce5a7f 100644
--- a/packages/google-cloud-bigquery-datapolicies/samples/generated_samples/snippet_metadata_google.cloud.bigquery.datapolicies.v1beta1.json
+++ b/packages/google-cloud-bigquery-datapolicies/samples/generated_samples/snippet_metadata_google.cloud.bigquery.datapolicies.v1beta1.json
@@ -8,7 +8,7 @@
     ],
     "language": "PYTHON",
     "name": "google-cloud-bigquery-datapolicies",
-    "version": "0.2.0"
+    "version": "0.1.0"
   },
   "snippets": [
     {