public final boolean isBinlogSplit() {
        return getClass() == MySqlBinlogSplit.class;
    }
Checks whether this split is a binlog split.
inlong-sort/sort-flink/sort-flink-v1.13/sort-connectors/mysql-cdc/src/main/java/org/apache/inlong/sort/cdc/mysql/source/split/MySqlSplit.java