public ConsHandlerConfig(IHandlerConfig tail, IRequestHandler handler, AppContext javaScriptSerializer) : base(javaScriptSerializer)
 {
     _tail = tail;
     _handler = handler;
 }
 protected AbstractHandlerConfig(AppContext context)
 {
     _context = context;
 }
 public EmptyHandlerConfig(AppContext context) : base(context)
 {
 }
 public ConsHandlerConfig(IHandlerConfig tail, IRequestHandler handler, AppContext appContext)
     : base(appContext)
 {
     _tail = tail;
     _handler = handler;
 }