code: def freqs_to_agg_mulitples(freq_strs: List[str]) -> List[int]:
      """
      Returns aggregation multiples that are used to construct
      aggregation matrix.
  
      Parameters
      ----------
      freq_strs : List[str]
          ordered list of frequencies. e.g ["1D", "8H", "1H"]
      """
      deltas = [pd.Timedelta(freq) for freq in freq_strs]
      _check_freqs(deltas)
      return [d // deltas[-1] for d in deltas]
  
imports: from typing import Iterator, List
  import numpy
  import pandas
  from gluonts.core.component import validated
  from gluonts.model.forecast import SampleForecast
  from gluonts.mx import Tensor
label_desc: Use image node_id 2 for calling a global function with example usage: freqs_to_agg_mulitples(freq_strs) and returns: unknown