*os = std::make_unique<WritableFileRawStream>(std::move(file));
  return Status();
}

// Prints the pass pipeline of `pass_manager` to `os`.
void PrintPassPipeline(const mlir::PassManager& pass_manager,
                       mlir::Operation* op, llvm::raw_ostream& os) {
  std::string str;
  llvm::raw_string_ostream passOS(str);
  llvm::interleaveComma(

// in the file also.
void applyTensorflowAndCLOptions(mlir::PassManager& pm,
                                 llvm::StringRef dir_path = "");

// Prints the pass pipeline of `pass_manager` to `os`.
void PrintPassPipeline(const mlir::PassManager& pass_manager,
                       mlir::Operation* op, llvm::raw_ostream& os);
}  // namespace tensorflow