docs: function (queueId) {
                  var id = queueId;
                  if (queueId == null) {
                      id = this.DEFAULT_QUEUE_KEY;
                  }
                  var queue = this.queues[id];
                  if (queue && queue.list.length > 0) {
                      var curAnimInfo = queue.list.shift();
                      for (var i = 1, l = queue.list.length; i < l; i++) {
                          var animInfo = queue.list[i];
                          delete this.animations[animInfo.animId];
                      }
                      this.skipAnimation(curAnimInfo.animId);
                      delete this.queues[id];
                      return true;
                  }
                  return false;
              }