docs: @RequirePOST
      public void doInstall(StaplerRequest req, StaplerResponse rsp) throws IOException, ServletException {
          Jenkins.getInstance().checkPermission(Jenkins.ADMINISTER);
          Set<String> plugins = new LinkedHashSet<>();
  
          Enumeration<String> en = req.getParameterNames();
          while (en.hasMoreElements()) {
              String n =  en.nextElement();
              if(n.startsWith("plugin.")) {
                  n = n.substring(7);
                  plugins.add(n);
              }
          }
  
          boolean dynamicLoad = req.getParameter("dynamicLoad")!=null;
          install(plugins, dynamicLoad);
  
          rsp.sendRedirect("../updateCenter/");
      }