public IEnumerable <IUnit> GetRepeatableUnits(object ownerKey = null)
{
List <IUnit> result;
if (ownerKey == null)
{
result = globallyRepeatableUnits.Where(unit => unit.Repeatable).Cast <IUnit>().ToList();
return(result);
}
if (!repeatableDictionary.TryGetValue(ownerKey,
// ReSharper disable once CollectionNeverUpdated.Local
out UnitCollection <IInternalUnit> units))
{
return(new List <IUnit>());
}
result = units.Where(unit => unit.Repeatable).Cast <IUnit>().ToList();
return(result);
}