diff --git a/google/cloud/datalabeling_v1beta1/services/data_labeling_service/async_client.py b/google/cloud/datalabeling_v1beta1/services/data_labeling_service/async_client.py
index 93325b9..3018c1a 100644
--- a/google/cloud/datalabeling_v1beta1/services/data_labeling_service/async_client.py
+++ b/google/cloud/datalabeling_v1beta1/services/data_labeling_service/async_client.py
@@ -3264,6 +3264,12 @@ async def list_evaluation_jobs(
         # Done; return the response.
         return response
 
+    async def __aenter__(self):
+        return self
+
+    async def __aexit__(self, exc_type, exc, tb):
+        await self.transport.close()
+
 
 try:
     DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo(
diff --git a/google/cloud/datalabeling_v1beta1/services/data_labeling_service/client.py b/google/cloud/datalabeling_v1beta1/services/data_labeling_service/client.py
index 03d437c..97554e8 100644
--- a/google/cloud/datalabeling_v1beta1/services/data_labeling_service/client.py
+++ b/google/cloud/datalabeling_v1beta1/services/data_labeling_service/client.py
@@ -479,10 +479,7 @@ def __init__(
                 client_cert_source_for_mtls=client_cert_source_func,
                 quota_project_id=client_options.quota_project_id,
                 client_info=client_info,
-                always_use_jwt_access=(
-                    Transport == type(self).get_transport_class("grpc")
-                    or Transport == type(self).get_transport_class("grpc_asyncio")
-                ),
+                always_use_jwt_access=True,
             )
 
     def create_dataset(
@@ -3355,6 +3352,19 @@ def list_evaluation_jobs(
         # Done; return the response.
         return response
 
+    def __enter__(self):
+        return self
+
+    def __exit__(self, type, value, traceback):
+        """Releases underlying transport's resources.
+
+        .. warning::
+            ONLY use as a context manager if the transport is NOT shared
+            with other clients! Exiting the with block will CLOSE the transport
+            and may cause errors in other clients!
+        """
+        self.transport.close()
+
 
 try:
     DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo(
diff --git a/google/cloud/datalabeling_v1beta1/services/data_labeling_service/transports/base.py b/google/cloud/datalabeling_v1beta1/services/data_labeling_service/transports/base.py
index 75da4fc..42745e0 100644
--- a/google/cloud/datalabeling_v1beta1/services/data_labeling_service/transports/base.py
+++ b/google/cloud/datalabeling_v1beta1/services/data_labeling_service/transports/base.py
@@ -537,6 +537,15 @@ def _prep_wrapped_messages(self, client_info):
             ),
         }
 
+    def close(self):
+        """Closes resources associated with the transport.
+
+       .. warning::
+            Only call this method if the transport is NOT shared
+            with other clients - this may cause errors in other clients!
+        """
+        raise NotImplementedError()
+
     @property
     def operations_client(self) -> operations_v1.OperationsClient:
         """Return the client designed to process long-running operations."""
diff --git a/google/cloud/datalabeling_v1beta1/services/data_labeling_service/transports/grpc.py b/google/cloud/datalabeling_v1beta1/services/data_labeling_service/transports/grpc.py
index bf83c01..42b93b3 100644
--- a/google/cloud/datalabeling_v1beta1/services/data_labeling_service/transports/grpc.py
+++ b/google/cloud/datalabeling_v1beta1/services/data_labeling_service/transports/grpc.py
@@ -1224,5 +1224,8 @@ def list_evaluation_jobs(
             )
         return self._stubs["list_evaluation_jobs"]
 
+    def close(self):
+        self.grpc_channel.close()
+
 
 __all__ = ("DataLabelingServiceGrpcTransport",)
diff --git a/google/cloud/datalabeling_v1beta1/services/data_labeling_service/transports/grpc_asyncio.py b/google/cloud/datalabeling_v1beta1/services/data_labeling_service/transports/grpc_asyncio.py
index f067bfc..1c8ff43 100644
--- a/google/cloud/datalabeling_v1beta1/services/data_labeling_service/transports/grpc_asyncio.py
+++ b/google/cloud/datalabeling_v1beta1/services/data_labeling_service/transports/grpc_asyncio.py
@@ -1266,5 +1266,8 @@ def list_evaluation_jobs(
             )
         return self._stubs["list_evaluation_jobs"]
 
+    def close(self):
+        return self.grpc_channel.close()
+
 
 __all__ = ("DataLabelingServiceGrpcAsyncIOTransport",)
diff --git a/google/cloud/datalabeling_v1beta1/types/annotation.py b/google/cloud/datalabeling_v1beta1/types/annotation.py
index 74ddc84..f905e2a 100644
--- a/google/cloud/datalabeling_v1beta1/types/annotation.py
+++ b/google/cloud/datalabeling_v1beta1/types/annotation.py
@@ -121,6 +121,7 @@ class Annotation(proto.Message):
 
 class AnnotationValue(proto.Message):
     r"""Annotation value for an example.
+
     Attributes:
         image_classification_annotation (google.cloud.datalabeling_v1beta1.types.ImageClassificationAnnotation):
             Annotation value for image classification
@@ -204,6 +205,7 @@ class AnnotationValue(proto.Message):
 
 class ImageClassificationAnnotation(proto.Message):
     r"""Image classification annotation definition.
+
     Attributes:
         annotation_spec (google.cloud.datalabeling_v1beta1.types.AnnotationSpec):
             Label of image.
@@ -248,6 +250,7 @@ class NormalizedVertex(proto.Message):
 
 class BoundingPoly(proto.Message):
     r"""A bounding polygon in the image.
+
     Attributes:
         vertices (Sequence[google.cloud.datalabeling_v1beta1.types.Vertex]):
             The bounding polygon vertices.
@@ -258,6 +261,7 @@ class BoundingPoly(proto.Message):
 
 class NormalizedBoundingPoly(proto.Message):
     r"""Normalized bounding polygon.
+
     Attributes:
         normalized_vertices (Sequence[google.cloud.datalabeling_v1beta1.types.NormalizedVertex]):
             The bounding polygon normalized vertices.
@@ -294,6 +298,7 @@ class ImageBoundingPolyAnnotation(proto.Message):
 
 class Polyline(proto.Message):
     r"""A line with multiple line segments.
+
     Attributes:
         vertices (Sequence[google.cloud.datalabeling_v1beta1.types.Vertex]):
             The polyline vertices.
@@ -304,6 +309,7 @@ class Polyline(proto.Message):
 
 class NormalizedPolyline(proto.Message):
     r"""Normalized polyline.
+
     Attributes:
         normalized_vertices (Sequence[google.cloud.datalabeling_v1beta1.types.NormalizedVertex]):
             The normalized polyline vertices.
@@ -316,6 +322,7 @@ class NormalizedPolyline(proto.Message):
 
 class ImagePolylineAnnotation(proto.Message):
     r"""A polyline for the image annotation.
+
     Attributes:
         polyline (google.cloud.datalabeling_v1beta1.types.Polyline):
 
@@ -336,6 +343,7 @@ class ImagePolylineAnnotation(proto.Message):
 
 class ImageSegmentationAnnotation(proto.Message):
     r"""Image segmentation annotation.
+
     Attributes:
         annotation_colors (Sequence[google.cloud.datalabeling_v1beta1.types.ImageSegmentationAnnotation.AnnotationColorsEntry]):
             The mapping between rgb color and annotation
@@ -360,6 +368,7 @@ class ImageSegmentationAnnotation(proto.Message):
 
 class TextClassificationAnnotation(proto.Message):
     r"""Text classification annotation.
+
     Attributes:
         annotation_spec (google.cloud.datalabeling_v1beta1.types.AnnotationSpec):
             Label of the text.
@@ -372,6 +381,7 @@ class TextClassificationAnnotation(proto.Message):
 
 class TextEntityExtractionAnnotation(proto.Message):
     r"""Text entity extraction annotation.
+
     Attributes:
         annotation_spec (google.cloud.datalabeling_v1beta1.types.AnnotationSpec):
             Label of the text entities.
@@ -389,6 +399,7 @@ class TextEntityExtractionAnnotation(proto.Message):
 
 class SequentialSegment(proto.Message):
     r"""Start and end position in a sequence (e.g. text segment).
+
     Attributes:
         start (int):
             Start position (inclusive).
@@ -425,6 +436,7 @@ class TimeSegment(proto.Message):
 
 class VideoClassificationAnnotation(proto.Message):
     r"""Video classification annotation.
+
     Attributes:
         time_segment (google.cloud.datalabeling_v1beta1.types.TimeSegment):
             The time segment of the video to which the
@@ -464,6 +476,7 @@ class ObjectTrackingFrame(proto.Message):
 
 class VideoObjectTrackingAnnotation(proto.Message):
     r"""Video object tracking annotation.
+
     Attributes:
         annotation_spec (google.cloud.datalabeling_v1beta1.types.AnnotationSpec):
             Label of the object tracked in this
@@ -487,6 +500,7 @@ class VideoObjectTrackingAnnotation(proto.Message):
 
 class VideoEventAnnotation(proto.Message):
     r"""Video event annotation.
+
     Attributes:
         annotation_spec (google.cloud.datalabeling_v1beta1.types.AnnotationSpec):
             Label of the event in this annotation.
@@ -503,6 +517,7 @@ class VideoEventAnnotation(proto.Message):
 
 class AnnotationMetadata(proto.Message):
     r"""Additional information associated with the annotation.
+
     Attributes:
         operator_metadata (google.cloud.datalabeling_v1beta1.types.OperatorMetadata):
             Metadata related to human labeling.
diff --git a/google/cloud/datalabeling_v1beta1/types/data_labeling_service.py b/google/cloud/datalabeling_v1beta1/types/data_labeling_service.py
index 35384e5..f7aed56 100644
--- a/google/cloud/datalabeling_v1beta1/types/data_labeling_service.py
+++ b/google/cloud/datalabeling_v1beta1/types/data_labeling_service.py
@@ -78,6 +78,7 @@
 
 class CreateDatasetRequest(proto.Message):
     r"""Request message for CreateDataset.
+
     Attributes:
         parent (str):
             Required. Dataset resource parent, format:
@@ -92,6 +93,7 @@ class CreateDatasetRequest(proto.Message):
 
 class GetDatasetRequest(proto.Message):
     r"""Request message for GetDataSet.
+
     Attributes:
         name (str):
             Required. Dataset resource name, format:
@@ -103,6 +105,7 @@ class GetDatasetRequest(proto.Message):
 
 class ListDatasetsRequest(proto.Message):
     r"""Request message for ListDataset.
+
     Attributes:
         parent (str):
             Required. Dataset resource parent, format:
@@ -130,6 +133,7 @@ class ListDatasetsRequest(proto.Message):
 
 class ListDatasetsResponse(proto.Message):
     r"""Results of listing datasets within a project.
+
     Attributes:
         datasets (Sequence[google.cloud.datalabeling_v1beta1.types.Dataset]):
             The list of datasets to return.
@@ -149,6 +153,7 @@ def raw_page(self):
 
 class DeleteDatasetRequest(proto.Message):
     r"""Request message for DeleteDataset.
+
     Attributes:
         name (str):
             Required. Dataset resource name, format:
@@ -160,6 +165,7 @@ class DeleteDatasetRequest(proto.Message):
 
 class ImportDataRequest(proto.Message):
     r"""Request message for ImportData API.
+
     Attributes:
         name (str):
             Required. Dataset resource name, format:
@@ -182,6 +188,7 @@ class ImportDataRequest(proto.Message):
 
 class ExportDataRequest(proto.Message):
     r"""Request message for ExportData API.
+
     Attributes:
         name (str):
             Required. Dataset resource name, format:
@@ -214,6 +221,7 @@ class ExportDataRequest(proto.Message):
 
 class GetDataItemRequest(proto.Message):
     r"""Request message for GetDataItem.
+
     Attributes:
         name (str):
             Required. The name of the data item to get, format:
@@ -225,6 +233,7 @@ class GetDataItemRequest(proto.Message):
 
 class ListDataItemsRequest(proto.Message):
     r"""Request message for ListDataItems.
+
     Attributes:
         parent (str):
             Required. Name of the dataset to list data items, format:
@@ -252,6 +261,7 @@ class ListDataItemsRequest(proto.Message):
 
 class ListDataItemsResponse(proto.Message):
     r"""Results of listing data items in a dataset.
+
     Attributes:
         data_items (Sequence[google.cloud.datalabeling_v1beta1.types.DataItem]):
             The list of data items to return.
@@ -271,6 +281,7 @@ def raw_page(self):
 
 class GetAnnotatedDatasetRequest(proto.Message):
     r"""Request message for GetAnnotatedDataset.
+
     Attributes:
         name (str):
             Required. Name of the annotated dataset to get, format:
@@ -283,6 +294,7 @@ class GetAnnotatedDatasetRequest(proto.Message):
 
 class ListAnnotatedDatasetsRequest(proto.Message):
     r"""Request message for ListAnnotatedDatasets.
+
     Attributes:
         parent (str):
             Required. Name of the dataset to list annotated datasets,
@@ -310,6 +322,7 @@ class ListAnnotatedDatasetsRequest(proto.Message):
 
 class ListAnnotatedDatasetsResponse(proto.Message):
     r"""Results of listing annotated datasets for a dataset.
+
     Attributes:
         annotated_datasets (Sequence[google.cloud.datalabeling_v1beta1.types.AnnotatedDataset]):
             The list of annotated datasets to return.
@@ -329,6 +342,7 @@ def raw_page(self):
 
 class DeleteAnnotatedDatasetRequest(proto.Message):
     r"""Request message for DeleteAnnotatedDataset.
+
     Attributes:
         name (str):
             Required. Name of the annotated dataset to delete, format:
@@ -341,6 +355,7 @@ class DeleteAnnotatedDatasetRequest(proto.Message):
 
 class LabelImageRequest(proto.Message):
     r"""Request message for starting an image labeling task.
+
     Attributes:
         image_classification_config (google.cloud.datalabeling_v1beta1.types.ImageClassificationConfig):
             Configuration for image classification task. One of
@@ -410,6 +425,7 @@ class Feature(proto.Enum):
 
 class LabelVideoRequest(proto.Message):
     r"""Request message for LabelVideo.
+
     Attributes:
         video_classification_config (google.cloud.datalabeling_v1beta1.types.VideoClassificationConfig):
             Configuration for video classification task. One of
@@ -477,6 +493,7 @@ class Feature(proto.Enum):
 
 class LabelTextRequest(proto.Message):
     r"""Request message for LabelText.
+
     Attributes:
         text_classification_config (google.cloud.datalabeling_v1beta1.types.TextClassificationConfig):
             Configuration for text classification task. One of
@@ -522,6 +539,7 @@ class Feature(proto.Enum):
 
 class GetExampleRequest(proto.Message):
     r"""Request message for GetExample
+
     Attributes:
         name (str):
             Required. Name of example, format:
@@ -539,6 +557,7 @@ class GetExampleRequest(proto.Message):
 
 class ListExamplesRequest(proto.Message):
     r"""Request message for ListExamples.
+
     Attributes:
         parent (str):
             Required. Example resource parent.
@@ -567,6 +586,7 @@ class ListExamplesRequest(proto.Message):
 
 class ListExamplesResponse(proto.Message):
     r"""Results of listing Examples in and annotated dataset.
+
     Attributes:
         examples (Sequence[google.cloud.datalabeling_v1beta1.types.Example]):
             The list of examples to return.
@@ -586,6 +606,7 @@ def raw_page(self):
 
 class CreateAnnotationSpecSetRequest(proto.Message):
     r"""Request message for CreateAnnotationSpecSet.
+
     Attributes:
         parent (str):
             Required. AnnotationSpecSet resource parent, format:
@@ -604,6 +625,7 @@ class CreateAnnotationSpecSetRequest(proto.Message):
 
 class GetAnnotationSpecSetRequest(proto.Message):
     r"""Request message for GetAnnotationSpecSet.
+
     Attributes:
         name (str):
             Required. AnnotationSpecSet resource name, format:
@@ -615,6 +637,7 @@ class GetAnnotationSpecSetRequest(proto.Message):
 
 class ListAnnotationSpecSetsRequest(proto.Message):
     r"""Request message for ListAnnotationSpecSets.
+
     Attributes:
         parent (str):
             Required. Parent of AnnotationSpecSet resource, format:
@@ -642,6 +665,7 @@ class ListAnnotationSpecSetsRequest(proto.Message):
 
 class ListAnnotationSpecSetsResponse(proto.Message):
     r"""Results of listing annotation spec set under a project.
+
     Attributes:
         annotation_spec_sets (Sequence[google.cloud.datalabeling_v1beta1.types.AnnotationSpecSet]):
             The list of annotation spec sets.
@@ -661,6 +685,7 @@ def raw_page(self):
 
 class DeleteAnnotationSpecSetRequest(proto.Message):
     r"""Request message for DeleteAnnotationSpecSet.
+
     Attributes:
         name (str):
             Required. AnnotationSpec resource name, format:
@@ -672,6 +697,7 @@ class DeleteAnnotationSpecSetRequest(proto.Message):
 
 class CreateInstructionRequest(proto.Message):
     r"""Request message for CreateInstruction.
+
     Attributes:
         parent (str):
             Required. Instruction resource parent, format:
@@ -689,6 +715,7 @@ class CreateInstructionRequest(proto.Message):
 
 class GetInstructionRequest(proto.Message):
     r"""Request message for GetInstruction.
+
     Attributes:
         name (str):
             Required. Instruction resource name, format:
@@ -700,6 +727,7 @@ class GetInstructionRequest(proto.Message):
 
 class DeleteInstructionRequest(proto.Message):
     r"""Request message for DeleteInstruction.
+
     Attributes:
         name (str):
             Required. Instruction resource name, format:
@@ -711,6 +739,7 @@ class DeleteInstructionRequest(proto.Message):
 
 class ListInstructionsRequest(proto.Message):
     r"""Request message for ListInstructions.
+
     Attributes:
         parent (str):
             Required. Instruction resource parent, format:
@@ -738,6 +767,7 @@ class ListInstructionsRequest(proto.Message):
 
 class ListInstructionsResponse(proto.Message):
     r"""Results of listing instructions under a project.
+
     Attributes:
         instructions (Sequence[google.cloud.datalabeling_v1beta1.types.Instruction]):
             The list of Instructions to return.
@@ -757,6 +787,7 @@ def raw_page(self):
 
 class GetEvaluationRequest(proto.Message):
     r"""Request message for GetEvaluation.
+
     Attributes:
         name (str):
             Required. Name of the evaluation. Format:
@@ -769,6 +800,7 @@ class GetEvaluationRequest(proto.Message):
 
 class SearchEvaluationsRequest(proto.Message):
     r"""Request message for SearchEvaluation.
+
     Attributes:
         parent (str):
             Required. Evaluation search parent (project ID). Format:
@@ -827,6 +859,7 @@ class SearchEvaluationsRequest(proto.Message):
 
 class SearchEvaluationsResponse(proto.Message):
     r"""Results of searching evaluations.
+
     Attributes:
         evaluations (Sequence[google.cloud.datalabeling_v1beta1.types.Evaluation]):
             The list of evaluations matching the search.
@@ -846,6 +879,7 @@ def raw_page(self):
 
 class SearchExampleComparisonsRequest(proto.Message):
     r"""Request message of SearchExampleComparisons.
+
     Attributes:
         parent (str):
             Required. Name of the
@@ -874,6 +908,7 @@ class SearchExampleComparisonsRequest(proto.Message):
 
 class SearchExampleComparisonsResponse(proto.Message):
     r"""Results of searching example comparisons.
+
     Attributes:
         example_comparisons (Sequence[google.cloud.datalabeling_v1beta1.types.SearchExampleComparisonsResponse.ExampleComparison]):
             A list of example comparisons matching the
@@ -912,6 +947,7 @@ def raw_page(self):
 
 class CreateEvaluationJobRequest(proto.Message):
     r"""Request message for CreateEvaluationJob.
+
     Attributes:
         parent (str):
             Required. Evaluation job resource parent. Format:
@@ -928,6 +964,7 @@ class CreateEvaluationJobRequest(proto.Message):
 
 class UpdateEvaluationJobRequest(proto.Message):
     r"""Request message for UpdateEvaluationJob.
+
     Attributes:
         evaluation_job (google.cloud.datalabeling_v1beta1.types.EvaluationJob):
             Required. Evaluation job that is going to be
@@ -954,6 +991,7 @@ class UpdateEvaluationJobRequest(proto.Message):
 
 class GetEvaluationJobRequest(proto.Message):
     r"""Request message for GetEvaluationJob.
+
     Attributes:
         name (str):
             Required. Name of the evaluation job. Format:
@@ -966,6 +1004,7 @@ class GetEvaluationJobRequest(proto.Message):
 
 class PauseEvaluationJobRequest(proto.Message):
     r"""Request message for PauseEvaluationJob.
+
     Attributes:
         name (str):
             Required. Name of the evaluation job that is going to be
@@ -979,6 +1018,7 @@ class PauseEvaluationJobRequest(proto.Message):
 
 class ResumeEvaluationJobRequest(proto.Message):
     r"""Request message ResumeEvaluationJob.
+
     Attributes:
         name (str):
             Required. Name of the evaluation job that is going to be
@@ -992,6 +1032,7 @@ class ResumeEvaluationJobRequest(proto.Message):
 
 class DeleteEvaluationJobRequest(proto.Message):
     r"""Request message DeleteEvaluationJob.
+
     Attributes:
         name (str):
             Required. Name of the evaluation job that is going to be
@@ -1005,6 +1046,7 @@ class DeleteEvaluationJobRequest(proto.Message):
 
 class ListEvaluationJobsRequest(proto.Message):
     r"""Request message for ListEvaluationJobs.
+
     Attributes:
         parent (str):
             Required. Evaluation job resource parent. Format:
@@ -1040,6 +1082,7 @@ class ListEvaluationJobsRequest(proto.Message):
 
 class ListEvaluationJobsResponse(proto.Message):
     r"""Results for listing evaluation jobs.
+
     Attributes:
         evaluation_jobs (Sequence[google.cloud.datalabeling_v1beta1.types.EvaluationJob]):
             The list of evaluation jobs to return.
diff --git a/google/cloud/datalabeling_v1beta1/types/data_payloads.py b/google/cloud/datalabeling_v1beta1/types/data_payloads.py
index bb70d32..1461f6e 100644
--- a/google/cloud/datalabeling_v1beta1/types/data_payloads.py
+++ b/google/cloud/datalabeling_v1beta1/types/data_payloads.py
@@ -26,6 +26,7 @@
 
 class ImagePayload(proto.Message):
     r"""Container of information about an image.
+
     Attributes:
         mime_type (str):
             Image format.
@@ -46,6 +47,7 @@ class ImagePayload(proto.Message):
 
 class TextPayload(proto.Message):
     r"""Container of information about a piece of text.
+
     Attributes:
         text_content (str):
             Text content.
@@ -56,6 +58,7 @@ class TextPayload(proto.Message):
 
 class VideoThumbnail(proto.Message):
     r"""Container of information of a video thumbnail.
+
     Attributes:
         thumbnail (bytes):
             A byte string of the video frame.
@@ -71,6 +74,7 @@ class VideoThumbnail(proto.Message):
 
 class VideoPayload(proto.Message):
     r"""Container of information of a video.
+
     Attributes:
         mime_type (str):
             Video format.
diff --git a/google/cloud/datalabeling_v1beta1/types/dataset.py b/google/cloud/datalabeling_v1beta1/types/dataset.py
index e5abd68..e50fb30 100644
--- a/google/cloud/datalabeling_v1beta1/types/dataset.py
+++ b/google/cloud/datalabeling_v1beta1/types/dataset.py
@@ -142,6 +142,7 @@ class InputConfig(proto.Message):
 
 class TextMetadata(proto.Message):
     r"""Metadata for the text.
+
     Attributes:
         language_code (str):
             The language of this text, as a
@@ -154,6 +155,7 @@ class TextMetadata(proto.Message):
 
 class ClassificationMetadata(proto.Message):
     r"""Metadata for classification annotations.
+
     Attributes:
         is_multi_label (bool):
             Whether the classification task is multi-
@@ -165,6 +167,7 @@ class ClassificationMetadata(proto.Message):
 
 class GcsSource(proto.Message):
     r"""Source of the Cloud Storage file to be imported.
+
     Attributes:
         input_uri (str):
             Required. The input URI of source file. This must be a Cloud
@@ -208,6 +211,7 @@ class BigQuerySource(proto.Message):
 
 class OutputConfig(proto.Message):
     r"""The configuration of output data.
+
     Attributes:
         gcs_destination (google.cloud.datalabeling_v1beta1.types.GcsDestination):
             Output to a file in Cloud Storage. Should be
@@ -245,6 +249,7 @@ class GcsDestination(proto.Message):
 
 class GcsFolderDestination(proto.Message):
     r"""Export folder destination of the data.
+
     Attributes:
         output_folder_uri (str):
             Required. Cloud Storage directory to export
@@ -349,6 +354,7 @@ class AnnotatedDataset(proto.Message):
 
 class LabelStats(proto.Message):
     r"""Statistics about annotation specs.
+
     Attributes:
         example_count (Sequence[google.cloud.datalabeling_v1beta1.types.LabelStats.ExampleCountEntry]):
             Map of each annotation spec's example count.
@@ -365,6 +371,7 @@ class LabelStats(proto.Message):
 
 class AnnotatedDatasetMetadata(proto.Message):
     r"""Metadata on AnnotatedDataset.
+
     Attributes:
         image_classification_config (google.cloud.datalabeling_v1beta1.types.ImageClassificationConfig):
             Configuration for image classification task.
diff --git a/google/cloud/datalabeling_v1beta1/types/evaluation.py b/google/cloud/datalabeling_v1beta1/types/evaluation.py
index ea72b33..0bd1ff8 100644
--- a/google/cloud/datalabeling_v1beta1/types/evaluation.py
+++ b/google/cloud/datalabeling_v1beta1/types/evaluation.py
@@ -107,6 +107,7 @@ class EvaluationConfig(proto.Message):
 
 class BoundingBoxEvaluationOptions(proto.Message):
     r"""Options regarding evaluation between bounding boxes.
+
     Attributes:
         iou_threshold (float):
             Minimum [intersection-over-union
@@ -121,6 +122,7 @@ class BoundingBoxEvaluationOptions(proto.Message):
 
 class EvaluationMetrics(proto.Message):
     r"""
+
     Attributes:
         classification_metrics (google.cloud.datalabeling_v1beta1.types.ClassificationMetrics):
 
@@ -138,6 +140,7 @@ class EvaluationMetrics(proto.Message):
 
 class ClassificationMetrics(proto.Message):
     r"""Metrics calculated for a classification model.
+
     Attributes:
         pr_curve (google.cloud.datalabeling_v1beta1.types.PrCurve):
             Precision-recall curve based on ground truth
@@ -166,6 +169,7 @@ class ObjectDetectionMetrics(proto.Message):
 
 class PrCurve(proto.Message):
     r"""
+
     Attributes:
         annotation_spec (google.cloud.datalabeling_v1beta1.types.AnnotationSpec):
             The annotation spec of the label for which
@@ -186,6 +190,7 @@ class PrCurve(proto.Message):
 
     class ConfidenceMetricsEntry(proto.Message):
         r"""
+
         Attributes:
             confidence_threshold (float):
                 Threshold used for this entry.
@@ -263,6 +268,7 @@ class ConfusionMatrix(proto.Message):
 
     class ConfusionMatrixEntry(proto.Message):
         r"""
+
         Attributes:
             annotation_spec (google.cloud.datalabeling_v1beta1.types.AnnotationSpec):
                 The annotation spec of a predicted label.
diff --git a/google/cloud/datalabeling_v1beta1/types/evaluation_job.py b/google/cloud/datalabeling_v1beta1/types/evaluation_job.py
index 4ca05fc..e9186a9 100644
--- a/google/cloud/datalabeling_v1beta1/types/evaluation_job.py
+++ b/google/cloud/datalabeling_v1beta1/types/evaluation_job.py
@@ -301,6 +301,7 @@ class EvaluationJobAlertConfig(proto.Message):
 
 class Attempt(proto.Message):
     r"""Records a failed evaluation job run.
+
     Attributes:
         attempt_time (google.protobuf.timestamp_pb2.Timestamp):
 
diff --git a/google/cloud/datalabeling_v1beta1/types/human_annotation_config.py b/google/cloud/datalabeling_v1beta1/types/human_annotation_config.py
index 567a941..06e953a 100644
--- a/google/cloud/datalabeling_v1beta1/types/human_annotation_config.py
+++ b/google/cloud/datalabeling_v1beta1/types/human_annotation_config.py
@@ -48,6 +48,7 @@ class StringAggregationType(proto.Enum):
 
 class HumanAnnotationConfig(proto.Message):
     r"""Configuration for how human labeling task should be done.
+
     Attributes:
         instruction (str):
             Required. Instruction resource name.
@@ -108,6 +109,7 @@ class HumanAnnotationConfig(proto.Message):
 
 class ImageClassificationConfig(proto.Message):
     r"""Config for image classification human labeling task.
+
     Attributes:
         annotation_spec_set (str):
             Required. Annotation spec set resource name.
@@ -144,6 +146,7 @@ class BoundingPolyConfig(proto.Message):
 
 class PolylineConfig(proto.Message):
     r"""Config for image polyline human labeling task.
+
     Attributes:
         annotation_spec_set (str):
             Required. Annotation spec set resource name.
@@ -158,6 +161,7 @@ class PolylineConfig(proto.Message):
 
 class SegmentationConfig(proto.Message):
     r"""Config for image segmentation
+
     Attributes:
         annotation_spec_set (str):
             Required. Annotation spec set resource name. format:
@@ -234,6 +238,7 @@ class ObjectDetectionConfig(proto.Message):
 
 class ObjectTrackingConfig(proto.Message):
     r"""Config for video object tracking human labeling task.
+
     Attributes:
         annotation_spec_set (str):
             Required. Annotation spec set resource name.
@@ -244,6 +249,7 @@ class ObjectTrackingConfig(proto.Message):
 
 class EventConfig(proto.Message):
     r"""Config for video event human labeling task.
+
     Attributes:
         annotation_spec_sets (Sequence[str]):
             Required. The list of annotation spec set
@@ -257,6 +263,7 @@ class EventConfig(proto.Message):
 
 class TextClassificationConfig(proto.Message):
     r"""Config for text classification human labeling task.
+
     Attributes:
         allow_multi_label (bool):
             Optional. If allow_multi_label is true, contributors are
@@ -274,6 +281,7 @@ class TextClassificationConfig(proto.Message):
 
 class SentimentConfig(proto.Message):
     r"""Config for setting up sentiments.
+
     Attributes:
         enable_label_sentiment_selection (bool):
             If set to true, contributors will have the
@@ -287,6 +295,7 @@ class SentimentConfig(proto.Message):
 
 class TextEntityExtractionConfig(proto.Message):
     r"""Config for text entity extraction human labeling task.
+
     Attributes:
         annotation_spec_set (str):
             Required. Annotation spec set resource name.
diff --git a/google/cloud/datalabeling_v1beta1/types/instruction.py b/google/cloud/datalabeling_v1beta1/types/instruction.py
index 4479bfd..1af72eb 100644
--- a/google/cloud/datalabeling_v1beta1/types/instruction.py
+++ b/google/cloud/datalabeling_v1beta1/types/instruction.py
@@ -91,6 +91,7 @@ class CsvInstruction(proto.Message):
 
 class PdfInstruction(proto.Message):
     r"""Instruction from a PDF file.
+
     Attributes:
         gcs_file_uri (str):
             PDF file for the instruction. Only gcs path
diff --git a/google/cloud/datalabeling_v1beta1/types/operations.py b/google/cloud/datalabeling_v1beta1/types/operations.py
index c99585f..e7f37c4 100644
--- a/google/cloud/datalabeling_v1beta1/types/operations.py
+++ b/google/cloud/datalabeling_v1beta1/types/operations.py
@@ -48,6 +48,7 @@
 
 class ImportDataOperationResponse(proto.Message):
     r"""Response used for ImportData longrunning operation.
+
     Attributes:
         dataset (str):
             Ouptut only. The name of imported dataset.
@@ -66,6 +67,7 @@ class ImportDataOperationResponse(proto.Message):
 
 class ExportDataOperationResponse(proto.Message):
     r"""Response used for ExportDataset longrunning operation.
+
     Attributes:
         dataset (str):
             Ouptut only. The name of dataset. "projects/*/datasets/*".
@@ -93,6 +95,7 @@ class ExportDataOperationResponse(proto.Message):
 
 class ImportDataOperationMetadata(proto.Message):
     r"""Metadata of an ImportData operation.
+
     Attributes:
         dataset (str):
             Output only. The name of imported dataset.
@@ -116,6 +119,7 @@ class ImportDataOperationMetadata(proto.Message):
 
 class ExportDataOperationMetadata(proto.Message):
     r"""Metadata of an ExportData operation.
+
     Attributes:
         dataset (str):
             Output only. The name of dataset to be exported.
@@ -271,6 +275,7 @@ class LabelOperationMetadata(proto.Message):
 
 class LabelImageClassificationOperationMetadata(proto.Message):
     r"""Metadata of a LabelImageClassification operation.
+
     Attributes:
         basic_config (google.cloud.datalabeling_v1beta1.types.HumanAnnotationConfig):
             Basic human annotation config used in
@@ -284,6 +289,7 @@ class LabelImageClassificationOperationMetadata(proto.Message):
 
 class LabelImageBoundingBoxOperationMetadata(proto.Message):
     r"""Details of a LabelImageBoundingBox operation metadata.
+
     Attributes:
         basic_config (google.cloud.datalabeling_v1beta1.types.HumanAnnotationConfig):
             Basic human annotation config used in
@@ -311,6 +317,7 @@ class LabelImageOrientedBoundingBoxOperationMetadata(proto.Message):
 
 class LabelImageBoundingPolyOperationMetadata(proto.Message):
     r"""Details of LabelImageBoundingPoly operation metadata.
+
     Attributes:
         basic_config (google.cloud.datalabeling_v1beta1.types.HumanAnnotationConfig):
             Basic human annotation config used in
@@ -324,6 +331,7 @@ class LabelImageBoundingPolyOperationMetadata(proto.Message):
 
 class LabelImagePolylineOperationMetadata(proto.Message):
     r"""Details of LabelImagePolyline operation metadata.
+
     Attributes:
         basic_config (google.cloud.datalabeling_v1beta1.types.HumanAnnotationConfig):
             Basic human annotation config used in
@@ -337,6 +345,7 @@ class LabelImagePolylineOperationMetadata(proto.Message):
 
 class LabelImageSegmentationOperationMetadata(proto.Message):
     r"""Details of a LabelImageSegmentation operation metadata.
+
     Attributes:
         basic_config (google.cloud.datalabeling_v1beta1.types.HumanAnnotationConfig):
             Basic human annotation config.
@@ -349,6 +358,7 @@ class LabelImageSegmentationOperationMetadata(proto.Message):
 
 class LabelVideoClassificationOperationMetadata(proto.Message):
     r"""Details of a LabelVideoClassification operation metadata.
+
     Attributes:
         basic_config (google.cloud.datalabeling_v1beta1.types.HumanAnnotationConfig):
             Basic human annotation config used in
@@ -362,6 +372,7 @@ class LabelVideoClassificationOperationMetadata(proto.Message):
 
 class LabelVideoObjectDetectionOperationMetadata(proto.Message):
     r"""Details of a LabelVideoObjectDetection operation metadata.
+
     Attributes:
         basic_config (google.cloud.datalabeling_v1beta1.types.HumanAnnotationConfig):
             Basic human annotation config used in
@@ -375,6 +386,7 @@ class LabelVideoObjectDetectionOperationMetadata(proto.Message):
 
 class LabelVideoObjectTrackingOperationMetadata(proto.Message):
     r"""Details of a LabelVideoObjectTracking operation metadata.
+
     Attributes:
         basic_config (google.cloud.datalabeling_v1beta1.types.HumanAnnotationConfig):
             Basic human annotation config used in
@@ -388,6 +400,7 @@ class LabelVideoObjectTrackingOperationMetadata(proto.Message):
 
 class LabelVideoEventOperationMetadata(proto.Message):
     r"""Details of a LabelVideoEvent operation metadata.
+
     Attributes:
         basic_config (google.cloud.datalabeling_v1beta1.types.HumanAnnotationConfig):
             Basic human annotation config used in
@@ -401,6 +414,7 @@ class LabelVideoEventOperationMetadata(proto.Message):
 
 class LabelTextClassificationOperationMetadata(proto.Message):
     r"""Details of a LabelTextClassification operation metadata.
+
     Attributes:
         basic_config (google.cloud.datalabeling_v1beta1.types.HumanAnnotationConfig):
             Basic human annotation config used in
@@ -414,6 +428,7 @@ class LabelTextClassificationOperationMetadata(proto.Message):
 
 class LabelTextEntityExtractionOperationMetadata(proto.Message):
     r"""Details of a LabelTextEntityExtraction operation metadata.
+
     Attributes:
         basic_config (google.cloud.datalabeling_v1beta1.types.HumanAnnotationConfig):
             Basic human annotation config used in
@@ -427,6 +442,7 @@ class LabelTextEntityExtractionOperationMetadata(proto.Message):
 
 class CreateInstructionMetadata(proto.Message):
     r"""Metadata of a CreateInstruction operation.
+
     Attributes:
         instruction (str):
             The name of the created Instruction.
diff --git a/tests/unit/gapic/datalabeling_v1beta1/test_data_labeling_service.py b/tests/unit/gapic/datalabeling_v1beta1/test_data_labeling_service.py
index 78027b2..a4d2fe6 100644
--- a/tests/unit/gapic/datalabeling_v1beta1/test_data_labeling_service.py
+++ b/tests/unit/gapic/datalabeling_v1beta1/test_data_labeling_service.py
@@ -32,6 +32,7 @@
 from google.api_core import grpc_helpers_async
 from google.api_core import operation_async  # type: ignore
 from google.api_core import operations_v1
+from google.api_core import path_template
 from google.auth import credentials as ga_credentials
 from google.auth.exceptions import MutualTLSChannelError
 from google.cloud.datalabeling_v1beta1.services.data_labeling_service import (
@@ -9970,6 +9971,9 @@ def test_data_labeling_service_base_transport():
         with pytest.raises(NotImplementedError):
             getattr(transport, method)(request=object())
 
+    with pytest.raises(NotImplementedError):
+        transport.close()
+
     # Additionally, the LRO client (a property) should
     # also raise NotImplementedError
     with pytest.raises(NotImplementedError):
@@ -10656,3 +10660,49 @@ def test_client_withDEFAULT_CLIENT_INFO():
             credentials=ga_credentials.AnonymousCredentials(), client_info=client_info,
         )
         prep.assert_called_once_with(client_info)
+
+
+@pytest.mark.asyncio
+async def test_transport_close_async():
+    client = DataLabelingServiceAsyncClient(
+        credentials=ga_credentials.AnonymousCredentials(), transport="grpc_asyncio",
+    )
+    with mock.patch.object(
+        type(getattr(client.transport, "grpc_channel")), "close"
+    ) as close:
+        async with client:
+            close.assert_not_called()
+        close.assert_called_once()
+
+
+def test_transport_close():
+    transports = {
+        "grpc": "_grpc_channel",
+    }
+
+    for transport, close_name in transports.items():
+        client = DataLabelingServiceClient(
+            credentials=ga_credentials.AnonymousCredentials(), transport=transport
+        )
+        with mock.patch.object(
+            type(getattr(client.transport, close_name)), "close"
+        ) as close:
+            with client:
+                close.assert_not_called()
+            close.assert_called_once()
+
+
+def test_client_ctx():
+    transports = [
+        "grpc",
+    ]
+    for transport in transports:
+        client = DataLabelingServiceClient(
+            credentials=ga_credentials.AnonymousCredentials(), transport=transport
+        )
+        # Test client calls underlying transport.
+        with mock.patch.object(type(client.transport), "close") as close:
+            close.assert_not_called()
+            with client:
+                pass
+            close.assert_called()