@java.lang.Override
  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(recognizer_)) {
      com.google.protobuf.GeneratedMessageV3.writeString(output, 3, recognizer_);
    }
    if (streamingRequestCase_ == 5) {
      output.writeBytes(5, (com.google.protobuf.ByteString) streamingRequest_);
    }
    if (streamingRequestCase_ == 6) {
      output.writeMessage(
          6, (com.google.cloud.speech.v2.StreamingRecognitionConfig) streamingRequest_);
    }
    getUnknownFields().writeTo(output);
  }
<pre>
Inline audio bytes to be Recognized.
Maximum size for this field is 15 KB per request.
</pre>

<code>bytes audio = 5;</code>

@return The audio.
java-speech/proto-google-cloud-speech-v2/src/main/java/com/google/cloud/speech/v2/StreamingRecognizeRequest.java