docs: public void doDumpExportTable( StaplerRequest req, StaplerResponse rsp ) throws IOException, ServletException, InterruptedException {
          // this is a debug probe and may expose sensitive information
          checkPermission(Jenkins.ADMINISTER);
  
          rsp.setContentType("text/plain");
          try (PrintWriter w = new PrintWriter(rsp.getCompressedWriter(req))) {
              VirtualChannel vc = getChannel();
              if (vc instanceof Channel) {
                  w.println("Master to slave");
                  ((Channel) vc).dumpExportTable(w);
                  w.flush(); // flush here once so that even if the dump from the agent fails, the client gets some useful info
  
                  w.println("\n\n\nSlave to master");
                  w.print(vc.call(new DumpExportTableTask()));
              } else {
                  w.println(Messages.Computer_BadChannel());
              }
          }
      }