docs: @Override
    public void destroyProxy(ProxyDestroyParams params) {
  
      if (params.getProxyFile() == null) {
  
        params.setProxyFile(VOMSProxyPathBuilder.buildProxyPath());
      }
  
      File file = new File(params.getProxyFile());
  
      if (!file.exists()) {
  
        listener.notifyProxyNotFound();
  
        System.exit(1);
      }
  
      if (params.isDryRun()) {
  
        listener.warnProxyToRemove(params.getProxyFile());
  
        System.exit(0);
      }
  
      file.delete();
  
    }