message

type MessageProducer interface {
	SendUserSignedUpEvent(*domain.UserSignedUpEvent) error
	SendUserAvatarSetEvent(event *domain.UserAvatarSetEvent) error
	SendUserBioSetEvent(event *domain.UserBioSetEvent) error
	AddOperateLogForNewUser(domain.Account) error

	//following
	SendFollowingAddedEvent(*domain.FollowerInfo) error
	SendFollowingRemovedEvent(*domain.FollowerInfo) error
}