def clone(self, instance):
        '''
        Create a shallow clone of an *instance*.
        
        **Note:** the clone and the original instance **does not** have to be
        part of the same metaclass. 
        '''
        metaclass = get_metaclass(instance)
        metaclass = self.find_metaclass(metaclass.kind)
        return metaclass.clone(instance)
Create a shallow clone of an *instance*.
        
        **Note:** the clone and the original instance **does not** have to be
        part of the same metaclass.