public boolean hasPronunciation() {
      return ((bitField0_ & 0x00000004) != 0);
    }
<pre>
The pronunciation of the phrase. This must be in the phonetic encoding
specified above.
</pre>

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

@return Whether the pronunciation field is set.
java-texttospeech/proto-google-cloud-texttospeech-v1/src/main/java/com/google/cloud/texttospeech/v1/CustomPronunciationParams.java