diff --git a/google/cloud/batch_v1/services/batch_service/transports/rest.py b/google/cloud/batch_v1/services/batch_service/transports/rest.py
index d904994..afe8e41 100644
--- a/google/cloud/batch_v1/services/batch_service/transports/rest.py
+++ b/google/cloud/batch_v1/services/batch_service/transports/rest.py
@@ -62,10 +62,6 @@
     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 BatchServiceRestInterceptor:
     """Interceptor for BatchService.
@@ -82,47 +78,53 @@ class BatchServiceRestInterceptor:
 
     .. code-block:: python
         class MyCustomBatchServiceInterceptor(BatchServiceRestInterceptor):
-            def pre_create_job(request, metadata):
+            def pre_create_job(self, request, metadata):
                 logging.log(f"Received request: {request}")
                 return request, metadata
 
-            def post_create_job(response):
+            def post_create_job(self, response):
                 logging.log(f"Received response: {response}")
+                return response
 
-            def pre_delete_job(request, metadata):
+            def pre_delete_job(self, request, metadata):
                 logging.log(f"Received request: {request}")
                 return request, metadata
 
-            def post_delete_job(response):
+            def post_delete_job(self, response):
                 logging.log(f"Received response: {response}")
+                return response
 
-            def pre_get_job(request, metadata):
+            def pre_get_job(self, request, metadata):
                 logging.log(f"Received request: {request}")
                 return request, metadata
 
-            def post_get_job(response):
+            def post_get_job(self, response):
                 logging.log(f"Received response: {response}")
+                return response
 
-            def pre_get_task(request, metadata):
+            def pre_get_task(self, request, metadata):
                 logging.log(f"Received request: {request}")
                 return request, metadata
 
-            def post_get_task(response):
+            def post_get_task(self, response):
                 logging.log(f"Received response: {response}")
+                return response
 
-            def pre_list_jobs(request, metadata):
+            def pre_list_jobs(self, request, metadata):
                 logging.log(f"Received request: {request}")
                 return request, metadata
 
-            def post_list_jobs(response):
+            def post_list_jobs(self, response):
                 logging.log(f"Received response: {response}")
+                return response
 
-            def pre_list_tasks(request, metadata):
+            def pre_list_tasks(self, request, metadata):
                 logging.log(f"Received request: {request}")
                 return request, metadata
 
-            def post_list_tasks(response):
+            def post_list_tasks(self, response):
                 logging.log(f"Received response: {response}")
+                return response
 
         transport = BatchServiceRestTransport(interceptor=MyCustomBatchServiceInterceptor())
         client = BatchServiceClient(transport=transport)
diff --git a/google/cloud/batch_v1alpha/services/batch_service/transports/rest.py b/google/cloud/batch_v1alpha/services/batch_service/transports/rest.py
index 2771f6e..7b38d31 100644
--- a/google/cloud/batch_v1alpha/services/batch_service/transports/rest.py
+++ b/google/cloud/batch_v1alpha/services/batch_service/transports/rest.py
@@ -62,10 +62,6 @@
     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 BatchServiceRestInterceptor:
     """Interceptor for BatchService.
@@ -82,47 +78,53 @@ class BatchServiceRestInterceptor:
 
     .. code-block:: python
         class MyCustomBatchServiceInterceptor(BatchServiceRestInterceptor):
-            def pre_create_job(request, metadata):
+            def pre_create_job(self, request, metadata):
                 logging.log(f"Received request: {request}")
                 return request, metadata
 
-            def post_create_job(response):
+            def post_create_job(self, response):
                 logging.log(f"Received response: {response}")
+                return response
 
-            def pre_delete_job(request, metadata):
+            def pre_delete_job(self, request, metadata):
                 logging.log(f"Received request: {request}")
                 return request, metadata
 
-            def post_delete_job(response):
+            def post_delete_job(self, response):
                 logging.log(f"Received response: {response}")
+                return response
 
-            def pre_get_job(request, metadata):
+            def pre_get_job(self, request, metadata):
                 logging.log(f"Received request: {request}")
                 return request, metadata
 
-            def post_get_job(response):
+            def post_get_job(self, response):
                 logging.log(f"Received response: {response}")
+                return response
 
-            def pre_get_task(request, metadata):
+            def pre_get_task(self, request, metadata):
                 logging.log(f"Received request: {request}")
                 return request, metadata
 
-            def post_get_task(response):
+            def post_get_task(self, response):
                 logging.log(f"Received response: {response}")
+                return response
 
-            def pre_list_jobs(request, metadata):
+            def pre_list_jobs(self, request, metadata):
                 logging.log(f"Received request: {request}")
                 return request, metadata
 
-            def post_list_jobs(response):
+            def post_list_jobs(self, response):
                 logging.log(f"Received response: {response}")
+                return response
 
-            def pre_list_tasks(request, metadata):
+            def pre_list_tasks(self, request, metadata):
                 logging.log(f"Received request: {request}")
                 return request, metadata
 
-            def post_list_tasks(response):
+            def post_list_tasks(self, response):
                 logging.log(f"Received response: {response}")
+                return response
 
         transport = BatchServiceRestTransport(interceptor=MyCustomBatchServiceInterceptor())
         client = BatchServiceClient(transport=transport)
diff --git a/samples/generated_samples/snippet_metadata_google.cloud.batch.v1.json b/samples/generated_samples/snippet_metadata_google.cloud.batch.v1.json
index 86c9432..e2df106 100644
--- a/samples/generated_samples/snippet_metadata_google.cloud.batch.v1.json
+++ b/samples/generated_samples/snippet_metadata_google.cloud.batch.v1.json
@@ -8,7 +8,7 @@
     ],
     "language": "PYTHON",
     "name": "google-cloud-batch",
-    "version": "0.5.0"
+    "version": "0.1.0"
   },
   "snippets": [
     {
diff --git a/samples/generated_samples/snippet_metadata_google.cloud.batch.v1alpha.json b/samples/generated_samples/snippet_metadata_google.cloud.batch.v1alpha.json
index 336b067..4862cc9 100644
--- a/samples/generated_samples/snippet_metadata_google.cloud.batch.v1alpha.json
+++ b/samples/generated_samples/snippet_metadata_google.cloud.batch.v1alpha.json
@@ -8,7 +8,7 @@
     ],
     "language": "PYTHON",
     "name": "google-cloud-batch",
-    "version": "0.5.0"
+    "version": "0.1.0"
   },
   "snippets": [
     {