@java.lang.Override
  public com.google.protobuf.Parser<LongRunningRecognizeRequest> getParserForType() {
    return PARSER;
  }
<pre>
Optional. Specifies an optional destination for the recognition results.
</pre>

<code>
.google.cloud.speech.v1.TranscriptOutputConfig output_config = 4 [(.google.api.field_behavior) = OPTIONAL];
</code>
java-speech/proto-google-cloud-speech-v1/src/main/java/com/google/cloud/speech/v1/LongRunningRecognizeRequest.java