return absl::OkStatus();
}

// Extracts input/output sharding configuration of `cluster_func` by parsing
// XlaSharding ops inside the `cluster_func`.
LogicalResult IdentifyXlaShardingForTPUComputation(
    Builder* builder, mlir::tf_device::ClusterFuncOp cluster_func) {
  // Look up function definition from module.
  mlir::func::FuncOp func =
      cluster_func->getParentOfType<ModuleOp>()