update method
Implementation
void update({Map<String, int>? azMap, List<Object>? azList, List<Object>? okList, int? unread}) {
if (azMap != null) {
this.azMap.clear();
this.azMap.addAll(azMap);
}
if (azList != null) {
this.azList.clear();
this.azList.addAll(azList);
}
if (okList != null) {
this.okList.clear();
this.okList.addAll(okList);
}
if (unread != null) {
_unread = unread;
}
}