presto-main/src/main/java/io/prestosql/type/HyperLogLogOperators.java/HyperLogLogOperators/castToBinary
class HyperLogLogOperators:    @ScalarOperator(CAST)
    @SqlType(StandardTypes.VARBINARY)
    public static Slice castToBinary(@SqlType(StandardTypes.HYPER_LOG_LOG) Slice slice)
    {
        return slice;
    }