code: def _get_dtype_mapping(cls) -> Mapping[np.dtype, NumericDtype]:
      raise AbstractMethodError(cls)
  
imports: from __future__ import annotations
  import numbers
  from typing import TYPE_CHECKING, Any, Callable
  import numpy
  from pandas._libs import lib, missing
  from pandas.errors import AbstractMethodError
  from pandas.util._decorators import cache_readonly
  from pandas.core.dtypes.common import is_integer_dtype, is_string_dtype, pandas_dtype
  from pandas.core.arrays.masked import BaseMaskedArray, BaseMaskedDtype
label_desc: Use image node_id 6 for calling the NumericDtype obj's underlying member method code with example usage: obj._get_dtype_mapping(cls) without return types