code: @Override
  	public void eUnset(int featureID) {
  		switch (featureID) {
  			case XtextPackage.ENUM_LITERAL_DECLARATION__ENUM_LITERAL:
  				setEnumLiteral((EEnumLiteral)null);
  				return;
  			case XtextPackage.ENUM_LITERAL_DECLARATION__LITERAL:
  				setLiteral((Keyword)null);
  				return;
  		}
  		super.eUnset(featureID);
  	}
docs: <!-- begin-user-doc -->
  <!-- end-user-doc -->
  @generated