public Builder mergeFrom(
        com.google.cloud.texttospeech.v1beta1.StreamingSynthesizeResponse other) {
      if (other
          == com.google.cloud.texttospeech.v1beta1.StreamingSynthesizeResponse.getDefaultInstance())
        return this;
      if (other.getAudioContent() != com.google.protobuf.ByteString.EMPTY) {
        setAudioContent(other.getAudioContent());
      }
      this.mergeUnknownFields(other.getUnknownFields());
      onChanged();
      return this;
    }
<pre>
`StreamingSynthesizeResponse` is the only message returned to the
client by `StreamingSynthesize` method. A series of zero or more
`StreamingSynthesizeResponse` messages are streamed back to the client.
</pre>

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