code: def items(self) -> Index:
      raise AbstractMethodError(self)
  
imports: from __future__ import annotations
  from typing import Literal, TypeVar, final
  import numpy
  from pandas._typing import ArrayLike, AxisInt, DtypeObj, Shape
  from pandas.errors import AbstractMethodError
  from pandas.core.dtypes.cast import find_common_type, np_can_hold_element
  from pandas.core.base import PandasObject
  from pandas.core.indexes.api import Index, default_index
label_desc: Use image node_id 1 for calling the DataManager obj's underlying member method code with example usage: obj.items() without return types