public function buildResponseString()
 {
     if ($this->shouldStopForDebugging()) {
         $request = $this->getRequest();
         $viewer = $request->getUser();
         $view = new PhabricatorStandardPageView();
         $view->setRequest($this->getRequest());
         $view->setApplicationName(pht('Debug'));
         $view->setTitle(pht('Stopped on Redirect'));
         $dialog = new AphrontDialogView();
         $dialog->setUser($viewer);
         $dialog->setTitle(pht('Stopped on Redirect'));
         $dialog->appendParagraph(pht('You were stopped here because %s is set in your configuration.', phutil_tag('tt', array(), 'debug.stop-on-redirect')));
         $dialog->appendParagraph(pht('You are being redirected to: %s', phutil_tag('tt', array(), $this->getURI())));
         $dialog->addCancelButton($this->getURI(), pht('Continue'));
         $dialog->appendChild(phutil_tag('br'));
         $dialog->appendChild(id(new AphrontStackTraceView())->setUser($viewer)->setTrace($this->stackWhenCreated));
         $dialog->setIsStandalone(true);
         $dialog->setWidth(AphrontDialogView::WIDTH_FULL);
         $box = id(new PHUIBoxView())->addMargin(PHUI::MARGIN_LARGE)->appendChild($dialog);
         $view->appendChild($box);
         return $view->render();
     }
     return '';
 }