def _prefer_static(original_fn, static_fn):
  """"""
  original_spec = tf_inspect.getfullargspec(original_fn)
  static_spec = tf_inspect.getfullargspec(static_fn)
  if original_spec != static_spec:
    raise ValueError(
        'Arg specs do not match: original={}, static={}, fn={}'.format(
            original_spec, static_spec, original_fn))
  @decorator.decorator
  def wrap(wrapped_fn, *args, **kwargs):
    del wrapped_fn
    [args_, kwargs_], all_static = _maybe_get_static_args([args, kwargs])
    if all_static:
      return static_fn(*args_, **kwargs_)
    return original_fn(*args, **kwargs)
  return wrap(original_fn)