docs: function () {
              // Sorting is done by CSS prefix, we assume that the insertion order will be respected
              var array = ariaUtilsObject.keys(this.__textLoaded);
              // closures for the sorting function
              var prefixes = this.__prefixes;
              var prefixLength = this.__PREFIX.length;
  
              var comparator = function (first, second) {
                  // These are classpaths, convert to indexes
                  var firstIndex = prefixes[first]
                          ? parseInt(prefixes[first].substring(prefixLength), 10)
                          : Number.MAX_VALUE;
                  var secondIndex = prefixes[second]
                          ? parseInt(prefixes[second].substring(prefixLength), 10)
                          : Number.MAX_VALUE;
  
                  if (firstIndex === secondIndex) {
                      return 0;
                  }
                  return firstIndex > secondIndex ? 1 : -1;
              };
  
              var sorted = array.sort(comparator);
              prefixes = null;
              prefixLength = null;
              return sorted;
          }