@java.lang.Override
      public java.lang.String getPhraseSet() {
        java.lang.Object ref = "";
        if (valueCase_ == 1) {
          ref = value_;
        }
        if (!(ref instanceof java.lang.String)) {
          com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
          java.lang.String s = bs.toStringUtf8();
          if (valueCase_ == 1) {
            value_ = s;
          }
          return s;
        } else {
          return (java.lang.String) ref;
        }
      }
<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