public static void BuildAllianceActivityDataIfNeeded(this UserAllianceActivityData data)
{
}
public static IUndoState CheckIn(this UserAllianceActivityData data, DateTime now) => default;
public static int GetBattleCount(this UserAllianceActivityData data, DateTime date, AreaTypeId areaTypeId) => default;
public static UserAllianceActivityData AddOnlineTime(this UserAllianceActivityData data, DateTime now, long diffTimeMs) => default;
// Extension methods public static UserAllianceActivityData AddBattleResult(this UserAllianceActivityData data, DateTime now, AreaTypeId areaId, BattleResultType resultType) => default;