Method Preview Preview(Func<T, bool>) Declaration public IObservable<IChangeSet<T, TKey>> Preview(Func<T, bool> predicate = null) Parameters Type Name Description Func<T, bool> predicate Returns Type Description IObservable<IChangeSet<T, TKey>> Implements IConnectableCache<TObject, TKey>.Preview(Func<TObject, bool>) IConnectableCache<TObject, TKey>.Preview(Func<TObject, bool>)