public Builder addAnimations(
        int index, com.google.cloud.video.transcoder.v1.Overlay.Animation value) {
      if (animationsBuilder_ == null) {
        if (value == null) {
          throw new NullPointerException();
        }
        ensureAnimationsIsMutable();
        animations_.add(index, value);
        onChanged();
      } else {
        animationsBuilder_.addMessage(index, value);
      }
      return this;
    }
<pre>
List of Animations. The list should be chronological, without any time
overlap.
</pre>

<code>repeated .google.cloud.video.transcoder.v1.Overlay.Animation animations = 2;</code>
java-video-transcoder/proto-google-cloud-video-transcoder-v1/src/main/java/com/google/cloud/video/transcoder/v1/Overlay.java