public Builder setTimeOffset(com.google.protobuf.Duration value) {
      if (timeOffsetBuilder_ == null) {
        if (value == null) {
          throw new NullPointerException();
        }
        timeOffset_ = value;
      } else {
        timeOffsetBuilder_.setMessage(value);
      }
      bitField0_ |= 0x00000002;
      onChanged();
      return this;
    }
<pre>
Time-offset, relative to the beginning of the video,
corresponding to the video frame for this object.
</pre>

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