return absl::OkStatus();
}

// Creates a mapping from outside compilation cluster name to lifted argument
// placeholder.
absl::StatusOr<std::unordered_map<string, Node*>> OutsideCompilationAttrToNode(
    const Graph& g) {
  std::unordered_map<string, Node*> outside_compilation_attr_to_node;
  for (Node* n : g.op_nodes()) {
    bool is_lifted_arg;
    string outside_compilation_attr;