code: @Override
  	public void eUnset(int featureID) {
  		switch (featureID) {
  			case XtextPackage.COMPOSITE_CONDITION__LEFT:
  				setLeft((Condition)null);
  				return;
  			case XtextPackage.COMPOSITE_CONDITION__RIGHT:
  				setRight((Condition)null);
  				return;
  		}
  		super.eUnset(featureID);
  	}
docs: <!-- begin-user-doc -->
  <!-- end-user-doc -->
  @generated