public Builder<T> nameMapping(String newNameMapping) {
            readOptions.put(TableProperties.DEFAULT_NAME_MAPPING, newNameMapping);
            return this;
        }
Copy from iceberg-flink:iceberg-flink-1.15:1.3.1
inlong-sort/sort-flink/sort-flink-v1.15/sort-connectors/iceberg/src/main/java/org/apache/inlong/sort/iceberg/source/IcebergSource.java