@java.lang.Override
  public boolean hasTotalBilledTime() {
    return ((bitField0_ & 0x00000004) != 0);
  }
<pre>
When available, billed audio seconds for the stream.
Set only if this is the last response in the stream.
</pre>

<code>.google.protobuf.Duration total_billed_time = 5;</code>

@return Whether the totalBilledTime field is set.
java-speech/proto-google-cloud-speech-v1/src/main/java/com/google/cloud/speech/v1/StreamingRecognizeResponse.java