anchor.diff: +import 'package:campus_mobile_experimental/core/providers/parking.dart';
   import 'package:flutter/material.dart';
   import 'package:campus_mobile_experimental/ui/common/container_view.dart';
   import 'package:campus_mobile_experimental/app_constants.dart';
   import 'package:flutter/rendering.dart';
  +import 'package:provider/provider.dart';
   
   class NeighborhoodLotsView extends StatefulWidget {
     final List<String> args;
  
positive.code:           icon: Icon(selected[i] ? Icons.cancel_rounded : Icons.add_rounded),
            color: Colors.black,
            onPressed: () {
              setState(() {
                selected[i] = !selected[i];
              });
  
negative.code: }
  
  class _NeighborhoodLotsViewState extends State<NeighborhoodLotsView> {
    late ParkingDataProvider parkingDataProvider;
    List<bool> selected = List.filled(20, false, growable: true);
  
    @override
    Widget build(BuildContext context) {
      parkingDataProvider = Provider.of<ParkingDataProvider>(context);
      return ContainerView(
        child: buildingsList(context),
      );
    }
  
  // builds the list of rooms to be put into ListView
    // builds the listview that will be put into ContainerView
    Widget buildingsList(BuildContext context) {
  