void ICache.Save(IProgressIndicator progress, bool enablePersistence, PersistentIdIndex persistentIdIndex) { }
object ICache.Load(IProgressIndicator progress, bool enablePersistence, PersistentIdIndex persistentIdIndex) { return(null); }
object ICache.Load(IProgressIndicator progress, bool enablePersistence, PersistentIdIndex persistentIdIndex) { return null; }