@java.lang.Override
    public Builder clear() {
      super.clear();
      bitField0_ = 0;
      model_ = "";
      reportedUsage_ = 0;
      return this;
    }
<pre>
Description of the custom voice to be synthesized.
</pre>

Protobuf type {@code google.cloud.texttospeech.v1beta1.CustomVoiceParams}
java-texttospeech/proto-google-cloud-texttospeech-v1beta1/src/main/java/com/google/cloud/texttospeech/v1beta1/CustomVoiceParams.java