/** <inheritDoc /> */ public Task <IDictionary <TK, ICacheEntryProcessorResult <TRes> > > InvokeAllAsync <TArg, TRes>(IEnumerable <TK> keys, ICacheEntryProcessor <TK, TV, TArg, TRes> processor, TArg arg) { AsyncInstance.InvokeAll(keys, processor, arg); return(AsyncInstance.GetTask(CacheOp.InvokeAll, reader => ReadInvokeAllResults <TRes>(reader.Stream))); }