docs: private void checkForTopologyChanges() {
          StoredProcedureInvocation spi = new StoredProcedureInvocation();
          spi.setProcName("@Statistics");
          spi.setParams("TOPO", 0);
          spi.setClientHandle(ASYNC_TOPO_HANDLE);
          notifyClients(m_currentTopologyValues,m_currentTopologySupplier,
                           spi, OpsSelector.STATISTICS);
  
          spi = new StoredProcedureInvocation();
          spi.setProcName("@SystemCatalog");
          spi.setParams("PROCEDURES");
          spi.setClientHandle(ASYNC_PROC_HANDLE);
          notifyClients(m_currentProcValues,m_currentProcSupplier,
                          spi, OpsSelector.SYSTEMCATALOG);
      }