code: def fqn(self):
          ''' Returns a fully qualified name for this object '''
          prefix = type(self).cls_key()
  
          return '{}:{}'.format(prefix, self.idf fqn(self):
          ''' Returns a fully qualified name for this object '''
          prefix = type(self).cls_key()
  
          return '{}:{}'.format(prefix, self.id)
docs: Returns a fully qualified name for this object