private com.google.protobuf.SingleFieldBuilderV3<
            com.google.cloud.video.livestream.v1.Asset.ImageAsset,
            com.google.cloud.video.livestream.v1.Asset.ImageAsset.Builder,
            com.google.cloud.video.livestream.v1.Asset.ImageAssetOrBuilder>
        getImageFieldBuilder() {
      if (imageBuilder_ == null) {
        if (!(resourceCase_ == 6)) {
          resource_ = com.google.cloud.video.livestream.v1.Asset.ImageAsset.getDefaultInstance();
        }
        imageBuilder_ =
            new com.google.protobuf.SingleFieldBuilderV3<
                com.google.cloud.video.livestream.v1.Asset.ImageAsset,
                com.google.cloud.video.livestream.v1.Asset.ImageAsset.Builder,
                com.google.cloud.video.livestream.v1.Asset.ImageAssetOrBuilder>(
                (com.google.cloud.video.livestream.v1.Asset.ImageAsset) resource_,
                getParentForChildren(),
                isClean());
        resource_ = null;
      }
      resourceCase_ = 6;
      onChanged();
      return imageBuilder_;
    }
<pre>
ImageAsset represents an image.
</pre>

<code>.google.cloud.video.livestream.v1.Asset.ImageAsset image = 6;</code>
java-video-live-stream/proto-google-cloud-live-stream-v1/src/main/java/com/google/cloud/video/livestream/v1/Asset.java