code: def apply_func(self, func: FuncWrapper) -> pd.DataFrame:
      # Apply the function and stitch back the time-index
      df = super().apply_func(func)
      df.index = self._series_index[df.index]
      return df
  
imports: from __future__ import annotations
  import time
  import warnings
  from abc import ABC, abstractmethod
  from collections import namedtuple
  from typing import List, Optional, Tuple, TypeVar, Union
  import numpy
  import pandas
  from ...utils.attribute_parsing import AttributeParser, DataType
  from ...utils.data import SUPPORTED_STROLL_TYPES, to_list, to_series_list, to_tuple
  from ...utils.time import timedelta_to_str
  from ..function_wrapper import FuncWrapper, _get_name
  from ..logger import logger
  from ..utils import _check_start_end_array, _determine_bounds
label_desc: Use image node_id 2 for calling the TimeIndexSampleStridedRolling obj's underlying member method code with example usage: obj.apply_func(func) and returns: df