<!--IssueSummary start--> <details> <summary> Everyone can contribute. [Help move this issue forward](https://handbook.gitlab.com/handbook/marketing/developer-relations/contributor-success/community-contributors-workflows/#contributor-links) while earning points, leveling up and collecting rewards. </summary> - [Close this issue](https://contributors.gitlab.com/manage-issue?action=close&projectId=278964&issueIid=439899) </details> <!--IssueSummary end--> Especially large customers migrating large amount of data would benefit from evaluation of the approximate import process duration. Assessment of group size would allow to offer custom tips on for example top-level groups that should be migrated separately due to the size.