public com.google.protobuf.ByteString getAssetsGcsUriBytes() {
    java.lang.Object ref = "";
    if (sourceCase_ == 2) {
      ref = source_;
    }
    if (ref instanceof java.lang.String) {
      com.google.protobuf.ByteString b =
          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
      if (sourceCase_ == 2) {
        source_ = b;
      }
      return b;
    } else {
      return (com.google.protobuf.ByteString) ref;
    }
  }
<pre>
The file contains all assets information to be imported.
* The file is in JSONL format.
* Each line corresponding to one asset.
* Each line will be converted into InputImageAsset proto.
</pre>

<code>string assets_gcs_uri = 2;</code>

@return The bytes for assetsGcsUri.
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/ImportAssetsRequest.java