code: def test_excel_hidden_columns(
      hidden_columns: list[str] | SelectorType,
      engine: Literal["xlsx2csv", "openpyxl", "pyxlsb"],
  ) -> None:
      df = pl.DataFrame({"a": [1, 2], "b": ["x", "y"]})
  
      xls = BytesIO()
      df.write_excel(xls, hidden_columns=hidden_columns)
  
      read_df = pl.read_excel(xls)
      assert_frame_equal(df, read_df)
  
imports: from __future__ import annotations
  import warnings
  from collections import OrderedDict
  from datetime import date, datetime
  from io import BytesIO
  from typing import TYPE_CHECKING, Any, Callable, Literal
  import pytest
  import polars
  import polars.selectors
  from polars.exceptions import NoDataError, ParameterCollisionError
  from polars.testing import assert_frame_equal
label_desc: Use image node_id 23 for calling a global function with example usage: test_excel_hidden_columns(hidden_columns, engine) without return types