presto-spi/src/main/java/io/prestosql/spi/type/HyperLogLogType.java/HyperLogLogType/HyperLogLogType
class HyperLogLogType:    @JsonCreator
    public HyperLogLogType()
    {
        super(new TypeSignature(StandardTypes.HYPER_LOG_LOG), Slice.class);
    }