public Builder setUpdateRecognizerRequest(
        com.google.cloud.speech.v2.UpdateRecognizerRequest value) {
      if (updateRecognizerRequestBuilder_ == null) {
        if (value == null) {
          throw new NullPointerException();
        }
        request_ = value;
        onChanged();
      } else {
        updateRecognizerRequestBuilder_.setMessage(value);
      }
      requestCase_ = 10;
      return this;
    }
<pre>
The UpdateRecognizerRequest that spawned the Operation.
</pre>

<code>.google.cloud.speech.v2.UpdateRecognizerRequest update_recognizer_request = 10;</code>
java-speech/proto-google-cloud-speech-v2/src/main/java/com/google/cloud/speech/v2/OperationMetadata.java