public Builder setAssetContentData(
        com.google.cloud.visionai.v1.AssetSource.AssetContentData.Builder builderForValue) {
      if (assetContentDataBuilder_ == null) {
        sourceForm_ = builderForValue.build();
        onChanged();
      } else {
        assetContentDataBuilder_.setMessage(builderForValue.build());
      }
      sourceFormCase_ = 2;
      return this;
    }
<pre>
The source of the asset is from content bytes.
</pre>

<code>.google.cloud.visionai.v1.AssetSource.AssetContentData asset_content_data = 2;</code>
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/AssetSource.java