public DevParksQuery(ParkService parkService)
{
_parkService = parkService;
var idArgs = new QueryArguments(new QueryArgument <IdGraphType> {
Name = "id"
});
Field <ListGraphType <ParkType> >("parks", resolve: context => _parkService.GetAllParks());
Field <ParkType>("park", arguments: idArgs,
resolve: context => _parkService.GetParkById(context.GetArgument <string>("id")));
Field <ListGraphType <RideType> >("rides", resolve: context => _parkService.GetRides());
Field <RideType>("ride", arguments: idArgs,
resolve: context => _parkService.GetRideById(context.GetArgument <string>("id")));
}