@java.lang.Override
  public int getSerializedSize() {
    int size = memoizedSize;
    if (size != -1) return size;

    size = 0;
    if (outputTypeCase_ == 1) {
      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, outputType_);
    }
    size += getUnknownFields().getSerializedSize();
    memoizedSize = size;
    return size;
  }
<pre>
Specifies a Cloud Storage URI for the recognition results. Must be
specified in the format: `gs://bucket_name/object_name`, and the bucket
must already exist.
</pre>

<code>string gcs_uri = 1;</code>

@return The bytes for gcsUri.
java-speech/proto-google-cloud-speech-v1/src/main/java/com/google/cloud/speech/v1/TranscriptOutputConfig.java