docs: @Override
    public Object eGet(int featureID, boolean resolve, boolean coreType)
    {
      switch (featureID)
      {
        case SimpleExpressionsPackage.IF_CONDITION__ELSEIF:
          return isElseif();
        case SimpleExpressionsPackage.IF_CONDITION__CONDITION:
          return getCondition();
      }
      return super.eGet(featureID, resolve, coreType);
    }