code: func (sm *StateMachine) StateMachineDecorator() sparta.ServiceDecoratorHookFunc {
  	cfName := sparta.CloudFormationResourceName("StateMachine", "StateMachine")
  	return sm.StateMachineNamedDecorator(cfName)
  }
docs: // StateMachineDecorator is a decorator that returns a default
  // CloudFormationResource named decorator