func::FuncOp ResolveFunc(::mlir::SymbolTableCollection* table) {
      if (table)
        return table->lookupNearestSymbolFrom<func::FuncOp>(*this, getFAttr());
      return SymbolTable::lookupNearestSymbolFrom<func::FuncOp>(*this, getFAttr());
    }
    // TODO(b/204997177): Deprecate and remove.
    func::FuncOp func() {  return ResolveFunc(nullptr); }
  }];
}