text: #! /usr/bin/env python
  # -*- coding: utf-8 -*-
  import collections
  from census_map_downloader.base import BaseDownloader
  
  # Logging
  import logging
  logger = logging.getLogger(__name__)
  
  
  class CountiesDownloader2018(BaseDownloader):
      """
      Download counties.
      """
      PROCESSED_NAME = "counties_2018"
      # Docs pg 21 (https://www2.census.gov/geo/pdfs/maps-data/data/tiger/tgrshp2018/TGRSHP2018_TechDoc_Ch3.pdf)
      FIELD_CROSSWALK = collections.OrderedDict({
          "STATEFP": "state_fips",
          "COUNTYFP": "county_fips",
          "GEOID": "geoid",
          "NAME": "county_name",
          "geometry": "geometry"
      })
  
      @property
      def url(self):
          return "https://www2.census.gov/geo/tiger/TIGER2018/COUNTY/tl_2018_us_county.zip"
  
      @property
      def zip_name(self):
          return f"tl_2018_us_county.zip"
  