public void rollback(Savepoint s) throws SQLException {
        throw new UnsupportedOperationException();
    }
Rolls back all changes performed by the <code>acceptChanges()</code>
to the last <code>Savepoint</code> transaction marker.

@see Connection#rollback(Savepoint)
src/main/java/org/replicadb/rowset/sun/rowset/internal/SyncResolverImpl.java