event

type Callback func(args ...interface{})

type Context struct {
	Self   *entity.User
	Sender *entity.Sender
	Group  *entity.Group
	Time   time.Time
	Type   Type
	Event  any

	// 如果是消息事件这里是消息预览，其他事件则为事件名称
	Content string
}

type Handler struct {
	// contains filtered or unexported fields
}

type Registry struct {
	// contains filtered or unexported fields
}

type System struct {
	// contains filtered or unexported fields
}

type Type int