Enumeration members
APP_STATE_FATAL_EXCEPTION_NOTIFICATION
APP_STATE_FATAL_EXCEPTION_NOTIFICATION = 10
APP_STATE_SYNC_KEY_REQUEST
APP_STATE_SYNC_KEY_REQUEST = 7
APP_STATE_SYNC_KEY_SHARE
APP_STATE_SYNC_KEY_SHARE = 6
EPHEMERAL_SETTING
EPHEMERAL_SETTING = 3
EPHEMERAL_SYNC_RESPONSE
EPHEMERAL_SYNC_RESPONSE = 4
HISTORY_SYNC_NOTIFICATION
HISTORY_SYNC_NOTIFICATION = 5
INITIAL_SECURITY_NOTIFICATION_SETTING_SYNC
INITIAL_SECURITY_NOTIFICATION_SETTING_SYNC = 9
MSG_FANOUT_BACKFILL_REQUEST
MSG_FANOUT_BACKFILL_REQUEST = 8
ProtocolMessageType enum.