1. osrmr::encoded_string_api_4
    encoded_string_api_4: An encoded route to illustrate the 'osrmr::decode_geom()' function. After decoding all points on the route are available as wgs84 coordinates. Decoding varies on the API version of OSRMR. This version is decoded using API v4.
  2. osrmr::encoded_string_api_5
    encoded_string_api_5: An encoded route to illustrate the 'osrmr::decode_geom()' function. After decoding all points on the route are available as wgs84 coordinates. Decoding varies on the API version of OSRMR. This version is decoded using API v5.