public com.google.protobuf.DurationOrBuilder getEndTimeOrBuilder() {
      if (endTimeBuilder_ != null) {
        return endTimeBuilder_.getMessageOrBuilder();
      } else {
        return endTime_ == null ? com.google.protobuf.Duration.getDefaultInstance() : endTime_;
      }
    }
<pre>
Time offset relative to the beginning of the audio, and
corresponding to the end of the spoken word. This field is only set if
`enable_word_time_offsets=true` and only in the top hypothesis. This is an
experimental feature and the accuracy of the time offset can vary.
</pre>

<code>.google.protobuf.Duration end_time = 2;</code>
java-video-intelligence/proto-google-cloud-video-intelligence-v1p3beta1/src/main/java/com/google/cloud/videointelligence/v1p3beta1/WordInfo.java