rem: }; 
add: } 
context: qx.Proto._modifyOrientation = function(propValue, propOldValue, propData){  // update fast access variables  this._layoutHorizontal = propValue == qx.constant.Layout.ORIENTATION_HORIZONTAL;  this._layoutVertical = propValue == qx.constant.Layout.ORIENTATION_VERTICAL;  // Layout Implementation  if (this._layoutImpl)  {    this._layoutImpl.dispose();    this._layoutImpl = null;  };  if (qx.util.Validation.isValidString(propValue)) {    this._layoutImpl = this._createLayoutImpl();  };  // call other core modifier  return this._modifyLayoutOrder(propValue, propOldValue, propData);};
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