public MySqlSourceConfigFactory splitSize(int splitSize) {
        this.splitSize = splitSize;
        return this;
    }
The split size (number of rows) of table snapshot, captured tables are split into multiple
splits when read the snapshot of table.
inlong-sort/sort-flink/sort-flink-v1.13/sort-connectors/mysql-cdc/src/main/java/org/apache/inlong/sort/cdc/mysql/source/config/MySqlSourceConfigFactory.java