public Builder mergeSlate(com.google.cloud.video.livestream.v1.Event.SlateTask value) {
      if (slateBuilder_ == null) {
        if (taskCase_ == 14
            && task_ != com.google.cloud.video.livestream.v1.Event.SlateTask.getDefaultInstance()) {
          task_ =
              com.google.cloud.video.livestream.v1.Event.SlateTask.newBuilder(
                      (com.google.cloud.video.livestream.v1.Event.SlateTask) task_)
                  .mergeFrom(value)
                  .buildPartial();
        } else {
          task_ = value;
        }
        onChanged();
      } else {
        if (taskCase_ == 14) {
          slateBuilder_.mergeFrom(value);
        } else {
          slateBuilder_.setMessage(value);
        }
      }
      taskCase_ = 14;
      return this;
    }
<pre>
Inserts a slate.
</pre>

<code>.google.cloud.video.livestream.v1.Event.SlateTask slate = 14;</code>
java-video-live-stream/proto-google-cloud-live-stream-v1/src/main/java/com/google/cloud/video/livestream/v1/Event.java