presto-raptor-legacy/src/main/java/io/prestosql/plugin/raptor/legacy/RaptorTableProperties.java/RaptorTableProperties/lowerCaseStringSessionProperty
class RaptorTableProperties:    public static PropertyMetadata<String> lowerCaseStringSessionProperty(String name, String description)
    {
        return new PropertyMetadata<>(
                name,
                description,
                createUnboundedVarcharType(),
                String.class,
                null,
                false,
                value -> ((String) value).toLowerCase(ENGLISH),
                value -> value);
    }