public com.google.protobuf.DurationOrBuilder getSpeechEventOffsetOrBuilder() {
      if (speechEventOffsetBuilder_ != null) {
        return speechEventOffsetBuilder_.getMessageOrBuilder();
      } else {
        return speechEventOffset_ == null
            ? com.google.protobuf.Duration.getDefaultInstance()
            : speechEventOffset_;
      }
    }
<pre>
Time offset between the beginning of the audio and event emission.
</pre>

<code>.google.protobuf.Duration speech_event_offset = 7;</code>
java-speech/proto-google-cloud-speech-v2/src/main/java/com/google/cloud/speech/v2/StreamingRecognizeResponse.java