private com.google.protobuf.SingleFieldBuilderV3<
            com.google.cloud.video.stitcher.v1.Slate,
            com.google.cloud.video.stitcher.v1.Slate.Builder,
            com.google.cloud.video.stitcher.v1.SlateOrBuilder>
        getSlateFieldBuilder() {
      if (slateBuilder_ == null) {
        slateBuilder_ =
            new com.google.protobuf.SingleFieldBuilderV3<
                com.google.cloud.video.stitcher.v1.Slate,
                com.google.cloud.video.stitcher.v1.Slate.Builder,
                com.google.cloud.video.stitcher.v1.SlateOrBuilder>(
                getSlate(), getParentForChildren(), isClean());
        slate_ = null;
      }
      return slateBuilder_;
    }
<pre>
Required. The slate to create.
</pre>

<code>
.google.cloud.video.stitcher.v1.Slate slate = 3 [(.google.api.field_behavior) = REQUIRED];
</code>
java-video-stitcher/proto-google-cloud-video-stitcher-v1/src/main/java/com/google/cloud/video/stitcher/v1/CreateSlateRequest.java