GroupEntranceAnnouncementChangeEvent

data class GroupEntranceAnnouncementChangeEvent : GroupSettingChangeEvent<String>, Packet, GroupOperableEvent

入群公告改变. 此事件广播前修改就已经完成.

入群公告改变. 此事件广播前修改就已经完成.

GroupEntranceAnnouncementChangeEvent(origin: String, new: String, group: Group, operator: Member?)

group	`val group: Group`
new	`val new: String`
operator	操作人. 为 null 时则是机器人操作 `val operator: Member?`
origin	`val origin: String`

isByBot	是否由 Bot 操作 `val GroupOperableEvent.isByBot: Boolean`
operatorOrBot	当操作人为 Member 时获取这个 Member, 当操作人为 Bot 时获取 Group.botAsMember `val GroupOperableEvent.operatorOrBot: Member`

广播一个事件的唯一途径.

suspend fun <E : Event> E.broadcast(): E