private void ensureFramesIsMutable() {
      if (!((bitField0_ & 0x00000008) != 0)) {
        frames_ =
            new java.util.ArrayList<com.google.cloud.videointelligence.v1p3beta1.LabelFrame>(
                frames_);
        bitField0_ |= 0x00000008;
      }
    }
<pre>
All video segments where a label was detected.
</pre>

<code>repeated .google.cloud.videointelligence.v1p3beta1.LabelSegment segments = 3;</code>
java-video-intelligence/proto-google-cloud-video-intelligence-v1p3beta1/src/main/java/com/google/cloud/videointelligence/v1p3beta1/LabelAnnotation.java