class DbRequest {

    public void execInsertUnitRequest(InsertParserMultiple requestParser)
        throws MetaDataExecutionException, MetaDataNotFoundException {

        LOGGER.debug("Exec db insert unit request: %s", requestParser);
        execInsertUnitRequests(new BulkUnitInsertRequest(Collections.singletonList(
            new BulkUnitInsertEntry(requestParser.getRequest().getRoots(), requestParser.getRequest().getData())
        )));
    }

    @VisibleForTesting  DbRequest(MongoDbMetadataRepository<Unit> mongoDbUnitRepository,
        MongoDbMetadataRepository<ObjectGroup> mongoDbObjectGroupRepository,
        FieldHistoryManager fieldHistoryManager);
    public  DbRequest();

}