public static IEnumerable <IFluentColumnFamily <CompareWith> > Get <CompareWith>(this CassandraColumnFamily <CompareWith> family, IEnumerable <BytesType> keys, CompareWith columnStart, CompareWith columnEnd, bool columnsReversed = false, int columnCount = 100)
            where CompareWith : CassandraType
        {
            var op = new MultiGetColumnFamilySlice <CompareWith>(keys, new RangeSlicePredicate(columnStart, columnEnd, columnsReversed, columnCount));

            return(family.ExecuteOperation(op));
        }
        // multi_get_slice

        public static IEnumerable <IFluentColumnFamily <CompareWith> > Get <CompareWith>(this CassandraColumnFamily <CompareWith> family, IEnumerable <BytesType> keys, IEnumerable <CompareWith> columnNames)
            where CompareWith : CassandraType
        {
            var op = new MultiGetColumnFamilySlice <CompareWith>(keys, new ColumnSlicePredicate(columnNames));

            return(family.ExecuteOperation(op));
        }