code: function (oControl, sPropertyName, oPropertyBinding) {
  			var oOldValue;
  			var oMetadata = oControl.getMetadata().getPropertyLikeSetting(sPropertyName);
  
  			if (oMetadata) {
  				var sPropertyGetter = oMetadata._sGetter;
  				oOldValue = oControl[sPropertyGetter]();
  			}
  
  			JsControlTreeModifier.setPropertyBinding.apply(this, arguments);
  
  			/* If the value changed, record the reversal as undo operation */
  			if (oOldValue !== oPropertyBinding) {
  				this._saveUndoOperation("setPropertyBinding", [oControl, sPropertyName, oOldValue]);
  			}
  		}
docs: Record the previous value of the property binding in the undo operation
  @override