presto-raptor-legacy/src/main/java/io/prestosql/plugin/raptor/legacy/systemtables/ShardMetadataRecordCursor.java/ShardMetadataRecordCursor/getStringValue
class ShardMetadataRecordCursor:    private static String getStringValue(Object value)
    {
        return ((Slice) value).toStringUtf8();
    }