return {TFRTypes.TFR_BUILTIN_FUNC}, name_str
    if name_str in ns:
      ns_val = ns[name_str]
      return {type(ns_val)}, ns_val
    if name_str in __builtins__:
      return {TFRTypes.PY_BUILTIN_FUNC}, __builtins__[name_str]
    # This name is not in the namespace because the autograph transformation
    # is not backloaded into Python.
    if name_str == 'ag__':
      return {type(AG_MODULE)}, AG_MODULE