private com.google.protobuf.SingleFieldBuilderV3<
            com.google.cloud.video.stitcher.v1.GamVodConfig,
            com.google.cloud.video.stitcher.v1.GamVodConfig.Builder,
            com.google.cloud.video.stitcher.v1.GamVodConfigOrBuilder>
        getGamVodConfigFieldBuilder() {
      if (gamVodConfigBuilder_ == null) {
        gamVodConfigBuilder_ =
            new com.google.protobuf.SingleFieldBuilderV3<
                com.google.cloud.video.stitcher.v1.GamVodConfig,
                com.google.cloud.video.stitcher.v1.GamVodConfig.Builder,
                com.google.cloud.video.stitcher.v1.GamVodConfigOrBuilder>(
                getGamVodConfig(), getParentForChildren(), isClean());
        gamVodConfig_ = null;
      }
      return gamVodConfigBuilder_;
    }
<pre>
Optional. Google Ad Manager (GAM) metadata.
</pre>

<code>
.google.cloud.video.stitcher.v1.GamVodConfig gam_vod_config = 4 [(.google.api.field_behavior) = OPTIONAL];
</code>
java-video-stitcher/proto-google-cloud-video-stitcher-v1/src/main/java/com/google/cloud/video/stitcher/v1/VodConfig.java