flush method
Implementation
void flush(String? appId) {
chatDashboardRepository(appId)!.flush();
memberHasChatRepository(appId)!.flush();
roomRepository(appId)!.flush();
}
void flush(String? appId) {
chatDashboardRepository(appId)!.flush();
memberHasChatRepository(appId)!.flush();
roomRepository(appId)!.flush();
}