@java.lang.Override
    public com.google.cloud.speech.v2.UpdatePhraseSetRequest getUpdatePhraseSetRequest() {
      if (updatePhraseSetRequestBuilder_ == null) {
        if (requestCase_ == 18) {
          return (com.google.cloud.speech.v2.UpdatePhraseSetRequest) request_;
        }
        return com.google.cloud.speech.v2.UpdatePhraseSetRequest.getDefaultInstance();
      } else {
        if (requestCase_ == 18) {
          return updatePhraseSetRequestBuilder_.getMessage();
        }
        return com.google.cloud.speech.v2.UpdatePhraseSetRequest.getDefaultInstance();
      }
    }
<pre>
The UpdatePhraseSetRequest that spawned the Operation.
</pre>

<code>.google.cloud.speech.v2.UpdatePhraseSetRequest update_phrase_set_request = 18;</code>

@return The updatePhraseSetRequest.
java-speech/proto-google-cloud-speech-v2/src/main/java/com/google/cloud/speech/v2/OperationMetadata.java