public boolean nextPage() throws SQLException {
         throw new UnsupportedOperationException();
     }
The nextPage gets the next page, that is a <code>CachedRowSetImpl</code> object
containing the number of rows specified by page size.
@return boolean value true indicating whether there are more pages to come and
        false indicating that this is the last page.
@throws SQLException if an error occurs or this called before calling populate.
src/main/java/org/replicadb/rowset/sun/rowset/internal/SyncResolverImpl.java