GeoJSON related to SO question https://stackoverflow.com/questions/49236503/google-maps-ios-sdk-not-able-to-show-linestring-from-geojson-file

test.geojson

{
   "type": "FeatureCollection",
   "features": [
       {
           "type": "Feature",
           "id": "id0",
           "geometry": {
               "type": "LineString",
               "coordinates": [
                   [102.0, 0.0], [103.0, 1.0], [104.0, 0.0], [105.0, 1.0]
               ]
           },
           "properties": {
               "prop0": "value0",
               "prop1": "value1"
           }
       },
       {
           "type": "Feature",
           "id": "id1",
           "geometry": {
               "type": "LineString",
               "coordinates": [
                       [100.0, 0.0], [101.0, 0.0], [101.0, 1.0], [100.0, 1.0], [100.0, 0.0]
               ]
           },
           "properties": {
               "prop0": "value0",
               "prop1": "value1"
           }
       }
   ]
}