public void close() throws SQLException {
        throw new UnsupportedOperationException();
    }
Closes this <code>CachedRowSetImpl</code> objecy and releases any resources
it was using.

@throws SQLException if an error occurs when releasing any resources in use
by this <code>CachedRowSetImpl</code> object
src/main/java/org/replicadb/rowset/sun/rowset/internal/SyncResolverImpl.java