public Builder clearGamSlate() {
      bitField0_ = (bitField0_ & ~0x00000004);
      gamSlate_ = null;
      if (gamSlateBuilder_ != null) {
        gamSlateBuilder_.dispose();
        gamSlateBuilder_ = null;
      }
      onChanged();
      return this;
    }
<pre>
gam_slate has all the GAM-related attributes of slates.
</pre>

<code>.google.cloud.video.stitcher.v1.Slate.GamSlate gam_slate = 3;</code>
java-video-stitcher/proto-google-cloud-video-stitcher-v1/src/main/java/com/google/cloud/video/stitcher/v1/Slate.java