public com.google.protobuf.Duration.Builder getSpeechEventOffsetBuilder() {
      bitField0_ |= 0x00000004;
      onChanged();
      return getSpeechEventOffsetFieldBuilder().getBuilder();
    }
<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