code: public NotificationChain basicSetImportSection(XImportSection newImportSection, NotificationChain msgs)
    {
      XImportSection oldImportSection = importSection;
      importSection = newImportSection;
      if (eNotificationRequired())
      {
        ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, PureXbasePackage.MODEL__IMPORT_SECTION, oldImportSection, newImportSection);
        if (msgs == null) msgs = notification; else msgs.add(notification);
      }
      return msgs;
    }
docs: <!-- begin-user-doc -->
  <!-- end-user-doc -->
  @generated