public override async Task <IQueryableStorage <Item> > CreateAsync(params Item[] values)
        {
            var setMap = new SetMap <Guid, Item>();

            foreach (var value in values)
            {
                await setMap.AddItemAsync(Fixture.Create <Guid>(), value);
            }

            return(setMap);
        }
        public override async Task <IQueryableStorage <KeyValuePair <Guid, Item> > > CreateAsync(params KeyValuePair <Guid, Item>[] values)
        {
            var setMap = new SetMap <Guid, Item>();

            foreach (var keyValuePair in values)
            {
                await setMap.AddItemAsync(keyValuePair.Key, keyValuePair.Value);
            }

            return(setMap);
        }