public final OperationFuture<GetStreamThumbnailResponse, OperationMetadata>
      getStreamThumbnailAsync(String stream, String gcsObjectName) {
    GetStreamThumbnailRequest request =
        GetStreamThumbnailRequest.newBuilder()
            .setStream(stream)
            .setGcsObjectName(gcsObjectName)
            .build();
    return getStreamThumbnailAsync(request);
  }
Gets the thumbnail (image snapshot) of a single Stream.

<p>Sample code:

<pre>{@code
// This snippet has been automatically generated and should be regarded as a code template only.
// It will require modifications to work:
// - It may require correct/in-range values for request initialization.
// - It may require specifying regional endpoints when creating the service client as shown in
// https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
try (StreamsServiceClient streamsServiceClient = StreamsServiceClient.create()) {
  String stream = "stream-891990144";
  String gcsObjectName = "gcsObjectName-1987275551";
  GetStreamThumbnailResponse response =
      streamsServiceClient.getStreamThumbnailAsync(stream, gcsObjectName).get();
}
}</pre>

@param stream Required. The name of the stream for to get the thumbnail from.
@param gcsObjectName Required. The name of the GCS object to store the thumbnail image.
@throws com.google.api.gax.rpc.ApiException if the remote call fails
java-visionai/google-cloud-visionai/src/main/java/com/google/cloud/visionai/v1/StreamsServiceClient.java