text: 'use strict';
  
  import $ from './jquery';
  import * as deprecate from './internal/deprecation';
  import globalize from './internal/globalize';
  
  /**
   * Does nothing because legacy code.
   *
   * @returns {undefined}
   */
  function warnAboutFirebug () {}
  
  /**
   * Includes firebug lite for debugging in IE. Especially in IE.
   *
   * @returns {undefined}
   */
  function firebug () {
      var script = $(document.createElement('script'));
  
      script.attr('src', 'https://getfirebug.com/releases/lite/1.2/firebug-lite-compressed.js');
      $('head').append(script);
  
      (function () {
          if (window.firebug) {
              firebug.init();
          } else {
              setTimeout(firebug, 0);
          }
      })();
  }
  
  firebug = deprecate.fn(firebug, 'firebug', {
      sinceVersion: '5.1.0'
  });
  
  warnAboutFirebug = deprecate.fn(warnAboutFirebug, 'warnAboutFirebug', {
      sinceVersion: '5.8.0'
  });
  
  globalize('firebug', firebug);
  globalize('warnAboutFirebug', warnAboutFirebug);
  
  export {
      firebug,
      warnAboutFirebug
  };
  