following code

    ```mlir

  let arguments = (ins);

  let results = (outs
    Res<TF_Int32Tensor, [{A vector 1 or more TPU cores.}]>:$device_ordinals
  );
}

def TF_TPUReplicateMetadataOp : TF_Op<"TPUReplicateMetadata", []> {
  let summary = [{
Metadata indicating how the TPU computation should be replicated.
  }];

  let description = [{