code: def cache_decorator(func: Callable) -> CacheAttributes:
      return cast(CacheAttributes, func)
  
imports: from __future__ import annotations
  from typing import TYPE_CHECKING, Callable, Any, cast
  import numpy
  import numpy.typing
  import math
  import warnings
  from collections import namedtuple
  from scipy.special import roots_legendre
  from scipy.special import gammaln, logsumexp
  from scipy._lib._util import _rng_spawn
  from scipy._lib.deprecation import _NoValue, _deprecate_positional_args, _deprecated
label_desc: Use image node_id 3 for calling a global function with example usage: cache_decorator(func) and returns: cast