code: function() {
      var dup = this._dup();
      dup = dup.transform(dup._modelTransform);
      dup._model = dup._priorModel;
      dup._priorModel = undefined;
      return dup;
    }
docs: Reverse the effects of an unbind.
  
  @method
  @public
  @return {ChainedQuery} The newly configured query.