text: YUI.add('moodle-core-notification-ajaxexception', function (Y, NAME) {
  
  /* eslint-disable no-unused-vars, no-unused-expressions */
  var DIALOGUE_PREFIX,
      BASE,
      CONFIRMYES,
      CONFIRMNO,
      TITLE,
      QUESTION,
      CSS;
  
  DIALOGUE_PREFIX = 'moodle-dialogue',
  BASE = 'notificationBase',
  CONFIRMYES = 'yesLabel',
  CONFIRMNO = 'noLabel',
  TITLE = 'title',
  QUESTION = 'question',
  CSS = {
      BASE: 'moodle-dialogue-base',
      WRAP: 'moodle-dialogue-wrap',
      HEADER: 'moodle-dialogue-hd',
      BODY: 'moodle-dialogue-bd',
      CONTENT: 'moodle-dialogue-content',
      FOOTER: 'moodle-dialogue-ft',
      HIDDEN: 'hidden',
      LIGHTBOX: 'moodle-dialogue-lightbox'
  };
  
  // Set up the namespace once.
  M.core = M.core || {};
  /* global BASE, DIALOGUE_PREFIX */
  
  /**
   * A dialogue type designed to display an appropriate error when an error
   * thrown in the Moodle codebase was reported during an AJAX request.
   *
   * @module moodle-core-notification
   * @submodule moodle-core-notification-ajaxexception
   */
  
  var AJAXEXCEPTION_NAME = 'Moodle AJAX exception',
      AJAXEXCEPTION;
  
  /**
   * Extends core Dialogue to show the exception dialogue.
   *
   * @param {Object} config Object literal specifying the dialogue configuration properties.
   * @constructor
   * @class M.core.ajaxException
   * @extends M.core.dialogue
   */
  AJAXEXCEPTION = function(config) {
      config.name = config.name || 'Error';
      config.closeButton = true;
      AJAXEXCEPTION.superclass.constructor.apply(this, [config]);
  };
  Y.extend(AJAXEXCEPTION, M.core.notification.info, {
      _keypress: null,
      initializer: function(config) {
          var content,
              self = this,
              delay = this.get('hideTimeoutDelay');
          this.get(BASE).addClass('moodle-dialogue-exception');
          this.setStdModContent(Y.WidgetStdMod.HEADER,
                  '<h1 id="moodle-dialogue-' + this.get('COUNT') + '-header-text">' + Y.Escape.html(config.name) + '</h1>',
                  Y.WidgetStdMod.REPLACE);
          content = Y.Node.create('<div class="moodle-ajaxexception" data-rel="fatalerror"></div>')
                  .append(Y.Node.create('<div class="moodle-exception-message">' + Y.Escape.html(this.get('error')) + '</div>'))
                  .append(Y.Node.create('<div class="moodle-exception-param hidden param-debuginfo"><label>URL:</label> ' +
                          this.get('reproductionlink') + '</div>'))
                  .append(Y.Node.create('<div class="moodle-exception-param hidden param-debuginfo"><label>Debug info:</label> ' +
                          Y.Escape.html(this.get('debuginfo')) + '</div>'))
                  .append(Y.Node.create('<div class="moodle-exception-param hidden param-stacktrace">' +
                                        '<label>Stack trace:</label> <pre>' +
                          Y.Escape.html(this.get('stacktrace')) + '</pre></div>'));
          if (M.cfg.developerdebug) {
              content.all('.moodle-exception-param').removeClass('hidden');
          }
          this.setStdModContent(Y.WidgetStdMod.BODY, content, Y.WidgetStdMod.REPLACE);
  
          if (delay) {
              this._hideTimeout = setTimeout(function() {
                  self.hide();
              }, delay);
          }
          this.after('visibleChange', this.visibilityChanged, this);
          this._keypress = Y.on('key', this.hide, window, 'down:13, 27', this);
          this.centerDialogue();
      },
      visibilityChanged: function(e) {
          if (e.attrName === 'visible' && e.prevVal && !e.newVal) {
              var self = this;
              this._keypress.detach();
              setTimeout(function() {
                  self.destroy();
              }, 1000);
          }
      }
  }, {
      NAME: AJAXEXCEPTION_NAME,
      CSS_PREFIX: DIALOGUE_PREFIX,
      ATTRS: {
  
          /**
           * The error message given in the exception.
           *
           * @attribute error
           * @type String
           * @default 'Unknown error'
           * @optional
           */
          error: {
              validator: Y.Lang.isString,
              value: M.util.get_string('unknownerror', 'moodle')
          },
  
          /**
           * Any additional debug information given in the exception.
           *
           * @attribute stacktrace
           * @type String|null
           * @default null
           * @optional
           */
          debuginfo: {
              value: null
          },
  
          /**
           * The complete stack trace provided in the exception.
           *
           * @attribute stacktrace
           * @type String|null
           * @default null
           * @optional
           */
          stacktrace: {
              value: null
          },
  
          /**
           * A link which may be used by support staff to replicate the issue.
           *
           * @attribute reproductionlink
           * @type String
           * @default null
           * @optional
           */
          reproductionlink: {
              setter: function(link) {
                  if (link !== null) {
                      link = Y.Escape.html(link);
                      link = '<a href="' + link + '">' + link.replace(M.cfg.wwwroot, '') + '</a>';
                  }
                  return link;
              },
              value: null
          },
  
          /**
           * If set, the dialogue is hidden after the specified timeout period.
           *
           * @attribute hideTimeoutDelay
           * @type Number
           * @default null
           * @optional
           */
          hideTimeoutDelay: {
              validator: Y.Lang.isNumber,
              value: null
          }
      }
  });
  
  M.core.ajaxException = AJAXEXCEPTION;
  
  
  }, '@VERSION@', {"requires": ["moodle-core-notification-dialogue"]});
  