@java.lang.Override
    public com.google.cloud.speech.v2.DeletePhraseSetRequest getDeletePhraseSetRequest() {
      if (deletePhraseSetRequestBuilder_ == null) {
        if (requestCase_ == 19) {
          return (com.google.cloud.speech.v2.DeletePhraseSetRequest) request_;
        }
        return com.google.cloud.speech.v2.DeletePhraseSetRequest.getDefaultInstance();
      } else {
        if (requestCase_ == 19) {
          return deletePhraseSetRequestBuilder_.getMessage();
        }
        return com.google.cloud.speech.v2.DeletePhraseSetRequest.getDefaultInstance();
      }
    }
<pre>
The DeletePhraseSetRequest that spawned the Operation.
</pre>

<code>.google.cloud.speech.v2.DeletePhraseSetRequest delete_phrase_set_request = 19;</code>

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