anchor.diff:        }
       }
       if (result.isNotEmpty) {
  -      // loop through all PointLatLng points and convert them
  -      // to a list of LatLng, required by the Polyline
         result.forEach((PointLatLng point) {
           polylineCoordinates.add(LatLng(point.latitude, point.longitude));
         });
       }
       setState(() {
  -      // create a Polyline instance
  -      // with an id, an RGB color and the list of LatLng pairs
  +      // creating a Polyline instance
         Polyline polyline = Polyline(
             polylineId: PolylineId("poly"),
             color: Color.fromARGB(255, 40, 122, 198),
  
positive.code: const double CAMERA_TILT = 0;
  const double CAMERA_BEARING = 0;
  
  class AgentPathPage extends StatefulWidget {
    final String agentEmail;
    final List<StoreForAgentPath> storesInPath;
  
negative.code:   AgentPathPageState createState() => AgentPathPageState();
  }
  
  /// Class that represents the state of graph when an agent's path is plotted.
  class AgentPathPageState extends State<AgentPathPage> {
    LatLng sourceLocation;
    LatLng destinationLocation;
  