public Builder mergeFrom(com.google.cloud.texttospeech.v1beta1.SynthesizeSpeechRequest other) {
      if (other
          == com.google.cloud.texttospeech.v1beta1.SynthesizeSpeechRequest.getDefaultInstance())
        return this;
      if (other.hasInput()) {
        mergeInput(other.getInput());
      }
      if (other.hasVoice()) {
        mergeVoice(other.getVoice());
      }
      if (other.hasAudioConfig()) {
        mergeAudioConfig(other.getAudioConfig());
      }
      if (!other.enableTimePointing_.isEmpty()) {
        if (enableTimePointing_.isEmpty()) {
          enableTimePointing_ = other.enableTimePointing_;
          bitField0_ = (bitField0_ & ~0x00000008);
        } else {
          ensureEnableTimePointingIsMutable();
          enableTimePointing_.addAll(other.enableTimePointing_);
        }
        onChanged();
      }
      if (other.hasAdvancedVoiceOptions()) {
        mergeAdvancedVoiceOptions(other.getAdvancedVoiceOptions());
      }
      this.mergeUnknownFields(other.getUnknownFields());
      onChanged();
      return this;
    }
<pre>
The top-level message sent by the client for the `SynthesizeSpeech` method.
</pre>

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