docs: function (id, objId) {
      if (this.queue[id]) {
        _.remove(this.queue[id], function (o) {
          return o.id === objId;
        });
      }
  
      if (objId && this.retries[id] && this.retries[id][objId]) {
        this.retries[id][objId] = 0;
      }
    }