private void ensureResultsIsMutable() {
      if (!((bitField0_ & 0x00000002) != 0)) {
        results_ =
            new java.util.ArrayList<com.google.cloud.speech.v1.StreamingRecognitionResult>(
                results_);
        bitField0_ |= 0x00000002;
      }
    }
<pre>
If set, returns a [google.rpc.Status][google.rpc.Status] message that
specifies the error for the operation.
</pre>

<code>.google.rpc.Status error = 1;</code>
java-speech/proto-google-cloud-speech-v1/src/main/java/com/google/cloud/speech/v1/StreamingRecognizeResponse.java