code: def dtype(string_storage):
      return StringDtype(storage=string_storage)
  
imports: from __future__ import annotations
  import string
  from typing import cast
  import numpy
  import pytest
  import pandas
  import pandas._testing
  from pandas.api.types import is_string_dtype
  from pandas.core.arrays import ArrowStringArray
  from pandas.core.arrays.string_ import StringDtype
  from pandas.tests.extension import base
label_desc: Use image node_id 3 for calling a global function with example usage: dtype(string_storage) and returns: StringDtype