docs: function (cb) {
                  var filters = this._filters;
                  var curFilter;
                  var classpathsToLoad = [];
                  for (var i = 0, l = filters.length; i < l; i++) {
                      curFilter = filters[i];
                      if (curFilter.obj == null) {
                          classpathsToLoad.push(curFilter.filterClasspath);
                      }
                  }
                  Aria.load({
                      classes : classpathsToLoad,
                      oncomplete : {
                          fn : this._continueLoadingMissingFilters,
                          scope : this,
                          args : {
                              cb : cb,
                              filters : filters,
                              nbFilters : filters.length
                          }
                      }
                  });
              }