code: def sheet_names(self) -> list[str]:
      from python_calamine import SheetTypeEnum
  
      return [
          sheet.name
          for sheet in self.book.sheets_metadata
          if sheet.typ == SheetTypeEnum.WorkSheet
      ]
  
file_path: pandas/pandas/io/excel/_calamine.py
imports: from __future__ import annotations
  from datetime import date, datetime, time, timedelta
  from typing import TYPE_CHECKING, Any, Union
  from pandas.compat._optional import import_optional_dependency
  from pandas.util._decorators import doc
  import pandas
  from pandas.core.shared_docs import _shared_docs
  from pandas.io.excel._base import BaseExcelReader
label_desc: Use image node_id 4 for calling the CalamineReader obj's underlying member method code with example usage: obj.sheet_names() and returns: unknown