@java.lang.Override
  public int getSerializedSize() {
    int size = memoizedSize;
    if (size != -1) return size;

    size = 0;
    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(recognizer_)) {
      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(3, recognizer_);
    }
    if (streamingRequestCase_ == 5) {
      size +=
          com.google.protobuf.CodedOutputStream.computeBytesSize(
              5, (com.google.protobuf.ByteString) streamingRequest_);
    }
    if (streamingRequestCase_ == 6) {
      size +=
          com.google.protobuf.CodedOutputStream.computeMessageSize(
              6, (com.google.cloud.speech.v2.StreamingRecognitionConfig) streamingRequest_);
    }
    size += getUnknownFields().getSerializedSize();
    memoizedSize = size;
    return size;
  }
<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