@java.lang.Override
  public boolean hasAssetGcsSource() {
    return sourceFormCase_ == 1;
  }
<pre>
The source of the asset is from Cloud Storage.
</pre>

<code>.google.cloud.visionai.v1.AssetSource.AssetGcsSource asset_gcs_source = 1;</code>

@return Whether the assetGcsSource field is set.
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/AssetSource.java