code: @SuppressWarnings("unused")
      private void initializeClientPolling(Component component) {
  
          if (component instanceof AbstractComponent) {
              AbstractComponent acomp = (AbstractComponent)component;
              for (Extension extension : acomp.getExtensions()) {
                  if (extension instanceof CmsPollServerExtension) {
                      return;
                  }
              }
              new CmsPollServerExtension((AbstractComponent)component);
          }
      }
docs: Initializes client polling to avoid session expiration.<p>
  
  @param component the view component