public Builder mergeFrom(com.google.cloud.videointelligence.v1.ObjectTrackingFrame other) {
      if (other == com.google.cloud.videointelligence.v1.ObjectTrackingFrame.getDefaultInstance())
        return this;
      if (other.hasNormalizedBoundingBox()) {
        mergeNormalizedBoundingBox(other.getNormalizedBoundingBox());
      }
      if (other.hasTimeOffset()) {
        mergeTimeOffset(other.getTimeOffset());
      }
      this.mergeUnknownFields(other.getUnknownFields());
      onChanged();
      return this;
    }
<pre>
Video frame level annotations for object detection and tracking. This field
stores per frame location, time offset, and confidence.
</pre>

Protobuf type {@code google.cloud.videointelligence.v1.ObjectTrackingFrame}
java-video-intelligence/proto-google-cloud-video-intelligence-v1/src/main/java/com/google/cloud/videointelligence/v1/ObjectTrackingFrame.java