code: public void setForExpression(XExpression newForExpression)
  	{
  		if (newForExpression != forExpression)
  		{
  			NotificationChain msgs = null;
  			if (forExpression != null)
  				msgs = ((InternalEObject)forExpression).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - XbasePackage.XFOR_LOOP_EXPRESSION__FOR_EXPRESSION, null, msgs);
  			if (newForExpression != null)
  				msgs = ((InternalEObject)newForExpression).eInverseAdd(this, EOPPOSITE_FEATURE_BASE - XbasePackage.XFOR_LOOP_EXPRESSION__FOR_EXPRESSION, null, msgs);
  			msgs = basicSetForExpression(newForExpression, msgs);
  			if (msgs != null) msgs.dispatch();
  		}
  		else if (eNotificationRequired())
  			eNotify(new ENotificationImpl(this, Notification.SET, XbasePackage.XFOR_LOOP_EXPRESSION__FOR_EXPRESSION, newForExpression, newForExpression));
  	}
docs: <!-- begin-user-doc -->
  <!-- end-user-doc -->
  @generated