// RegisterDependency registers a struct or slice
// or pointer to struct dependency at request-time
// for the next handler in the chain. One value per type.
// Note that it's highly recommended to register
// your dependencies before server ran
// through Party.ConfigureContainer or mvc.Application.Register
// in sake of minimum performance cost.
// UnregisterDependency removes a dependency based on its type.
// Reports whether a dependency with that type was
// found and removed successfully.
UnregisterDependency(typ reflect.Type) bool