Enumeration Members
ALL_MESSAGE
ALL_MESSAGE: -1
NOT_SET
NOT_SET: 0
AT_MESSAGE_NOTIFICATION
AT_MESSAGE_NOTIFICATION: 1
AT_USER_NOTIFICATION
AT_USER_NOTIFICATION: 2
AT_GROUP_ALL_USER_NOTIFICATION
AT_GROUP_ALL_USER_NOTIFICATION: 4
NOT_MESSAGE_NOTIFICATION
NOT_MESSAGE_NOTIFICATION: 5
未设置（向上查询群或者APP级别设置）// 存量数据中 0 表示未设置