public java.lang.String getPhraseSet() {
      java.lang.Object ref = "";
      if (valueCase_ == 1) {
        ref = value_;
      }
      if (ref instanceof java.lang.String) {
        return (java.lang.String) ref;
      } else {
        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
        java.lang.String s = bs.toStringUtf8();
        if (valueCase_ == 1) {
          value_ = s;
        }
        return s;
      }
    }
<pre>
The name of an existing PhraseSet resource. The user must have read
access to the resource and it must not be deleted.
</pre>

<code>string phrase_set = 1 [(.google.api.resource_reference) = { ... }</code>

@return The phraseSet.
java-speech/proto-google-cloud-speech-v2/src/main/java/com/google/cloud/speech/v2/SpeechAdaptation.java