private void buildPartial0(
        com.google.cloud.texttospeech.v1.StreamingSynthesizeResponse result) {
      int from_bitField0_ = bitField0_;
      if (((from_bitField0_ & 0x00000001) != 0)) {
        result.audioContent_ = audioContent_;
      }
    }
<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.v1.StreamingSynthesizeResponse}
java-texttospeech/proto-google-cloud-texttospeech-v1/src/main/java/com/google/cloud/texttospeech/v1/StreamingSynthesizeResponse.java