docs: @Override
  	public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
  		switch (featureID) {
  			case XtextPackage.GRAMMAR__METAMODEL_DECLARATIONS:
  				return ((InternalEList<?>)getMetamodelDeclarations()).basicRemove(otherEnd, msgs);
  			case XtextPackage.GRAMMAR__RULES:
  				return ((InternalEList<?>)getRules()).basicRemove(otherEnd, msgs);
  		}
  		return super.eInverseRemove(otherEnd, featureID, msgs);
  	}