public com.google.cloud.visionai.v1.AssetSource.Builder getAssetSourceBuilder() {
      bitField0_ |= 0x00000002;
      onChanged();
      return getAssetSourceFieldBuilder().getBuilder();
    }
<pre>
The source of the asset.
</pre>

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