public Builder setOutputConfig(
        com.google.cloud.speech.v1p1beta1.TranscriptOutputConfig.Builder builderForValue) {
      if (outputConfigBuilder_ == null) {
        outputConfig_ = builderForValue.build();
      } else {
        outputConfigBuilder_.setMessage(builderForValue.build());
      }
      bitField0_ |= 0x00000004;
      onChanged();
      return this;
    }
<pre>
Optional. Specifies an optional destination for the recognition results.
</pre>

<code>
.google.cloud.speech.v1p1beta1.TranscriptOutputConfig output_config = 4 [(.google.api.field_behavior) = OPTIONAL];
</code>
java-speech/proto-google-cloud-speech-v1p1beta1/src/main/java/com/google/cloud/speech/v1p1beta1/LongRunningRecognizeRequest.java