public boolean isBinlogSplitAssigned() {
        return isBinlogSplitAssigned;
    }
A {@link PendingSplitsState} for pending binlog splits.
inlong-sort/sort-flink/sort-flink-v1.13/sort-connectors/mysql-cdc/src/main/java/org/apache/inlong/sort/cdc/mysql/source/assigners/state/BinlogPendingSplitsState.java