code: def _str_swapcase(self) -> Self:
      return type(self)(pc.utf8_swapcase(self._pa_array))
  
file_path: pandas/pandas/core/arrays/_arrow_string_mixins.py
imports: from __future__ import annotations
  from typing import TYPE_CHECKING, Literal
  import numpy
  from pandas.compat import pa_version_under10p1
label_desc: Use image node_id 7 for calling the ArrowStringArrayMixin obj's underlying member method code with example usage: obj._str_swapcase() and returns: type