@java.lang.Override
  public com.google.protobuf.Duration getTotalBilledTime() {
    return totalBilledTime_ == null
        ? com.google.protobuf.Duration.getDefaultInstance()
        : totalBilledTime_;
  }
<pre>
When available, billed audio seconds for the corresponding request.
</pre>

<code>.google.protobuf.Duration total_billed_time = 3;</code>

@return The totalBilledTime.
java-speech/proto-google-cloud-speech-v1p1beta1/src/main/java/com/google/cloud/speech/v1p1beta1/RecognizeResponse.java