text: from histdatacom.fx_enums import Pairs
  from histdatacom.fx_enums import Format
  from histdatacom.fx_enums import Timeframe
  
  class Options:
      """ An intra-class DTO for Default Arguments for _HistDataCom class. """
      # argparse uses a thin class to create a namespace for cli/shell arguments to live in
      # normally argparse.ArgumentParser.parse_args(namespace=...) creates this namespace and
      # writes user's cli args to it.  Preemptively creating here to hold default args; if the
      # user enters args in the shell, these values will be respectively overwritten
      def __init__(self):
          self.validate_urls = False
          self.download_data_archives = False
          self.extract_csvs = False
          self.import_to_influxdb = False
          self.pairs = Pairs.list_keys()
          self.formats = Format.list_values()
          self.timeframes = Timeframe.list_keys()
          self.start_yearmonth = ""
          self.end_yearmonth = ""
          self.data_directory = "data"
          self.from_api = False
          self.api_return_type = "datatable"
          self.cpu_utilization = "medium"
  