public void importAssets(
        com.google.cloud.visionai.v1.ImportAssetsRequest request,
        io.grpc.stub.StreamObserver<com.google.longrunning.Operation> responseObserver) {
      io.grpc.stub.ClientCalls.asyncUnaryCall(
          getChannel().newCall(getImportAssetsMethod(), getCallOptions()),
          request,
          responseObserver);
    }
<pre>
Imports assets (images plus annotations) from a meta file on cloud storage.
Each row in the meta file is corresponding to an image (specified by a
cloud storage uri) and its annotations.
</pre>
java-visionai/grpc-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/WarehouseGrpc.java