@Override
    @SuppressWarnings({"checkstyle:NoClone", "checkstyle:SuperClone"})
    public TableLoader clone() {
        return new TestTableLoader(dir.getAbsolutePath());
    }
Copy from iceberg-flink:iceberg-flink-1.13:0.13.2
inlong-sort/sort-flink/sort-flink-v1.13/sort-connectors/iceberg/src/test/java/org/apache/inlong/sort/iceberg/sink/util/TestTableLoader.java