code: def get_data_size(self, sport, plan, from_day, from_month, from_year, to_day, to_month, to_year, event_id=None,
                        event_name=None, market_types_collection=None, countries_collection=None,
                        file_type_collection=None, session=None):
          
          params = clean_locals(locals())
          method = 'GetAdvBasketDataSize'
          (response, elapsed_time) = self.request(method, params, session)
          return response
docs: Returns a dictionary of file count and combines size files.
  
          :param sport: sport to filter data for.
          :param plan: plan type to filter for, Basic Plan, Advanced Plan or Pro Plan.
          :param from_day: day of month to start data from.
          :param from_month: month to start data from.
          :param from_year: year to start data from.
          :param to_day: day of month to end data at.
          :param to_month: month to end data at.
          :param to_year: year to end data at.
          :param event_id: id of a specific event to get data for.
          :param event_name: name of a specific event to get data for.
          :param market_types_collection: list of specific marketTypes to filter for.
          :param countries_collection: list of countries to filter for.
          :param file_type_collection: list of file types.
          :param requests.session session: Requests session object
  
          :rtype: dict