public com.google.cloud.visionai.v1.AssetSource.AssetGcsSource.Builder
        getAssetGcsSourceBuilder() {
      return getAssetGcsSourceFieldBuilder().getBuilder();
    }
<pre>
The source of the asset is from Cloud Storage.
</pre>

<code>.google.cloud.visionai.v1.AssetSource.AssetGcsSource asset_gcs_source = 1;</code>
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/AssetSource.java