public Builder mergeAnimationFade(
          com.google.cloud.video.transcoder.v1.Overlay.AnimationFade value) {
        if (animationFadeBuilder_ == null) {
          if (animationTypeCase_ == 2
              && animationType_
                  != com.google.cloud.video.transcoder.v1.Overlay.AnimationFade
                      .getDefaultInstance()) {
            animationType_ =
                com.google.cloud.video.transcoder.v1.Overlay.AnimationFade.newBuilder(
                        (com.google.cloud.video.transcoder.v1.Overlay.AnimationFade) animationType_)
                    .mergeFrom(value)
                    .buildPartial();
          } else {
            animationType_ = value;
          }
          onChanged();
        } else {
          if (animationTypeCase_ == 2) {
            animationFadeBuilder_.mergeFrom(value);
          } else {
            animationFadeBuilder_.setMessage(value);
          }
        }
        animationTypeCase_ = 2;
        return this;
      }
<pre>
Display overlay object with fade animation.
</pre>

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