private com.google.protobuf.RepeatedFieldBuilderV3<
            com.google.cloud.speech.v2.PhraseSet,
            com.google.cloud.speech.v2.PhraseSet.Builder,
            com.google.cloud.speech.v2.PhraseSetOrBuilder>
        getPhraseSetsFieldBuilder() {
      if (phraseSetsBuilder_ == null) {
        phraseSetsBuilder_ =
            new com.google.protobuf.RepeatedFieldBuilderV3<
                com.google.cloud.speech.v2.PhraseSet,
                com.google.cloud.speech.v2.PhraseSet.Builder,
                com.google.cloud.speech.v2.PhraseSetOrBuilder>(
                phraseSets_, ((bitField0_ & 0x00000001) != 0), getParentForChildren(), isClean());
        phraseSets_ = null;
      }
      return phraseSetsBuilder_;
    }
<pre>
The list of requested PhraseSets.
</pre>

<code>repeated .google.cloud.speech.v2.PhraseSet phrase_sets = 1;</code>
java-speech/proto-google-cloud-speech-v2/src/main/java/com/google/cloud/speech/v2/ListPhraseSetsResponse.java