public Builder setAssetsGcsUri(java.lang.String value) {
      if (value == null) {
        throw new NullPointerException();
      }
      sourceCase_ = 2;
      source_ = value;
      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>

@param value The assetsGcsUri to set.
@return This builder for chaining.
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/ImportAssetsRequest.java