code: def add(self, *names):
          '''Returns back a class decorator that enables registering Blox to this factory'''
          def decorator(blok):
              for name in names or (blok.__name__, ):
                  self[name] = blok
              return blok
          return decoratof add(self, *names):
          '''Returns back a class decorator that enables registering Blox to this factory'''
          def decorator(blok):
              for name in names or (blok.__name__, ):
                  self[name] = blok
              return blok
          return decorator
docs: Returns back a class decorator that enables registering Blox to this factory