f METHOD_NAME(self, n):
  args, kwargs = self.fetch_args_kwargs_from_env(n)
  assert isinstance(args, tuple)
  assert isinstance(kwargs, dict)
  nndct_node = self.nndct_graph.node("::".join([self.nndct_graph.name, n.name]))
  return getattr(self, n.op)(n, nndct_node, args, kwargs)