anchor.diff:  const double CAMERA_TILT = 0;
   const double CAMERA_BEARING = 0;
   
  +/// Class for creating state of page for showing path taken by the entered agent.
   class AgentPathPage extends StatefulWidget {
     final String agentEmail;
     final List<StoreForAgentPath> storesInPath;
  
positive.code:     });
    }
  
    setPolylines() async {
      List<PointLatLng> result = new List();
  
  
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;
  