code: public void setElseif(boolean newElseif)
    {
      boolean oldElseif = elseif;
      elseif = newElseif;
      if (eNotificationRequired())
        eNotify(new ENotificationImpl(this, Notification.SET, SimpleExpressionsPackage.IF_CONDITION__ELSEIF, oldElseif, elseif));
    }
docs: <!-- begin-user-doc -->
  <!-- end-user-doc -->
  @generated