fromJson static method
Implementation
static PollConfig? fromJson(Object? value) {
if (value is! Map<String, dynamic>) return null;
final lists = _pollSeconds(value['lists']);
final detail = _pollSeconds(value['detail']);
final dashboard = _pollSeconds(value['dashboard']);
if (lists == null || detail == null || dashboard == null) return null;
return PollConfig(lists: lists, detail: detail, dashboard: dashboard);
}