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

    size = 0;
    for (int i = 0; i < results_.size(); i++) {
      size += com.google.protobuf.CodedOutputStream.computeMessageSize(2, results_.get(i));
    }
    if (((bitField0_ & 0x00000001) != 0)) {
      size += com.google.protobuf.CodedOutputStream.computeMessageSize(3, getTotalBilledTime());
    }
    if (((bitField0_ & 0x00000002) != 0)) {
      size += com.google.protobuf.CodedOutputStream.computeMessageSize(6, getOutputConfig());
    }
    if (((bitField0_ & 0x00000004) != 0)) {
      size += com.google.protobuf.CodedOutputStream.computeMessageSize(7, getOutputError());
    }
    if (((bitField0_ & 0x00000008) != 0)) {
      size +=
          com.google.protobuf.CodedOutputStream.computeMessageSize(8, getSpeechAdaptationInfo());
    }
    if (requestId_ != 0L) {
      size += com.google.protobuf.CodedOutputStream.computeInt64Size(9, requestId_);
    }
    size += getUnknownFields().getSerializedSize();
    memoizedSize = size;
    return size;
  }
<pre>
The ID associated with the request. This is a unique ID specific only to
the given request.
</pre>

<code>int64 request_id = 9;</code>

@return The requestId.
java-speech/proto-google-cloud-speech-v1/src/main/java/com/google/cloud/speech/v1/LongRunningRecognizeResponse.java