public Builder mergeFrom(com.google.cloud.texttospeech.v1.SynthesizeLongAudioRequest other) {
      if (other == com.google.cloud.texttospeech.v1.SynthesizeLongAudioRequest.getDefaultInstance())
        return this;
      if (!other.getParent().isEmpty()) {
        parent_ = other.parent_;
        bitField0_ |= 0x00000001;
        onChanged();
      }
      if (other.hasInput()) {
        mergeInput(other.getInput());
      }
      if (other.hasAudioConfig()) {
        mergeAudioConfig(other.getAudioConfig());
      }
      if (!other.getOutputGcsUri().isEmpty()) {
        outputGcsUri_ = other.outputGcsUri_;
        bitField0_ |= 0x00000008;
        onChanged();
      }
      if (other.hasVoice()) {
        mergeVoice(other.getVoice());
      }
      this.mergeUnknownFields(other.getUnknownFields());
      onChanged();
      return this;
    }
<pre>
The top-level message sent by the client for the
`SynthesizeLongAudio` method.
</pre>

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