public Builder clearAssetsGcsUri() {
      if (sourceCase_ == 2) {
        sourceCase_ = 0;
        source_ = null;
        onChanged();
      }
      return this;
    }
<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 This builder for chaining.
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/ImportAssetsRequest.java