@java.lang.Override
  public java.lang.String getPhraseSetId() {
    java.lang.Object ref = phraseSetId_;
    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();
      phraseSetId_ = s;
      return s;
    }
  }
<pre>
Required. The ID to use for the phrase set, which will become the final
component of the phrase set's resource name.

This value should restrict to letters, numbers, and hyphens, with the first
character a letter, the last a letter or a number, and be 4-63 characters.
</pre>

<code>string phrase_set_id = 2 [(.google.api.field_behavior) = REQUIRED];</code>

@return The phraseSetId.
java-speech/proto-google-cloud-speech-v1p1beta1/src/main/java/com/google/cloud/speech/v1p1beta1/CreatePhraseSetRequest.java