@Override
  public boolean eIsSet(int featureID)
  {
    switch (featureID)
    {
      case SimpleAntlrPackage.UNTIL_ELEMENT__LEFT:
        return left != null;
      case SimpleAntlrPackage.UNTIL_ELEMENT__RIGHT:
        return right != null;
    }
    return super.eIsSet(featureID);
  }
@ Override public boolean eIsSet ( int featureID ) { switch ( featureID ) { case SimpleAntlrPackage . UNTIL_ELEMENT__LEFT : return left != null ; case SimpleAntlrPackage . UNTIL_ELEMENT__RIGHT : return right != null ; } return super . eIsSet ( featureID ) ; }
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@generated