code: def is_ea_or_datetimelike_dtype(dtype: DtypeObj | None) -> bool:
      """
      Check for ExtensionDtype, datetime64 dtype, or timedelta64 dtype.
  
      Notes
      -----
      Checks only for dtype objects, not dtype-castable strings or types.
      """
      return isinstance(dtype, ExtensionDtype) or (
          isinstance(dtype, np.dtype) and dtype.kind in ["m", "M"]
      )
  
imports: from __future__ import annotations
  from typing import Any, Callable
  import warnings
  import numpy
  from pandas._libs import Interval, Period, algos, lib
  from pandas._libs.tslibs import conversion
  from pandas._typing import ArrayLike, DtypeObj
  from pandas.core.dtypes.base import _registry
  from pandas.core.dtypes.dtypes import CategoricalDtype, DatetimeTZDtype, ExtensionDtype, IntervalDtype, PeriodDtype
  from pandas.core.dtypes.generic import ABCIndex
  from pandas.core.dtypes.inference import is_array_like, is_bool, is_complex, is_dataclass, is_decimal, is_dict_like, is_file_like, is_float, is_hashable, is_integer, is_interval, is_iterator, is_list_like, is_named_tuple, is_nested_list_like, is_number, is_re, is_re_compilable, is_scalar, is_sequence
label_desc: Use image node_id 36 for calling a global function with example usage: is_ea_or_datetimelike_dtype(dtype) and returns: unknown