@java.lang.Override
  public com.google.protobuf.ByteString getPronunciationBytes() {
    java.lang.Object ref = pronunciation_;
    if (ref instanceof java.lang.String) {
      com.google.protobuf.ByteString b =
          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
      pronunciation_ = b;
      return b;
    } else {
      return (com.google.protobuf.ByteString) ref;
    }
  }
<pre>
The pronunciation of the phrase. This must be in the phonetic encoding
specified above.
</pre>

<code>optional string pronunciation = 3;</code>

@return The bytes for pronunciation.
java-texttospeech/proto-google-cloud-texttospeech-v1beta1/src/main/java/com/google/cloud/texttospeech/v1beta1/CustomPronunciationParams.java