@java.lang.Override
    public Builder clear() {
      super.clear();
      bitField0_ = 0;
      startTime_ = null;
      if (startTimeBuilder_ != null) {
        startTimeBuilder_.dispose();
        startTimeBuilder_ = null;
      }
      lastUpdateTime_ = null;
      if (lastUpdateTimeBuilder_ != null) {
        lastUpdateTimeBuilder_.dispose();
        lastUpdateTimeBuilder_ = null;
      }
      progressPercentage_ = 0D;
      return this;
    }
<pre>
Metadata for response returned by the `SynthesizeLongAudio` method.
</pre>

Protobuf type {@code google.cloud.texttospeech.v1.SynthesizeLongAudioMetadata}
java-texttospeech/proto-google-cloud-texttospeech-v1/src/main/java/com/google/cloud/texttospeech/v1/SynthesizeLongAudioMetadata.java