protected GenericConversionService getConversionService(Workbook workbook,
Map<String, Map<String, GenericEntity<Long, ?>>> idsMapping) {
GenericConversionService service = new GenericConversionService();
GenericEntityConverter genericEntityConverter = new GenericEntityConverter(importDataDao, workbook,
new HashMap<Class<?>, Class<?>>(0), idsMapping);
genericEntityConverter.setConversionService(service);
service.addConverter(genericEntityConverter);
service.addConverter(new ProjectConverter());
service.addConverter(new ArtifactConverter());
service.addConverter(new ExternalLinkWrapperConverter());