text: /*
   * Copyright (C) 2013 salesforce.com, inc.
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *         http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  function lib() { //eslint-disable-line no-unused-vars
      var STACK = [];
      return {
          clearStack: function () {
              STACK = [];
          },
          stackFocus: function (domElement, doFocus) {
              STACK.push(domElement);
              if (doFocus) {
                  domElement.focus();
              }
          },
          unstackFocus: function () {
              var domElement  = STACK.pop();
              domElement.focus();
          }
      };
  }