Versioning limit by X instead D days

I'm looking if there is a way to specifiy file versioning limitation by number of versions (X files), instead of D days? Thanks for your inputs

There is only days [1], so what you're looking for is currently not possible in ownCloud.

[1] https://doc.owncloud.org/server/latest/admin_manual/configuration_server/config_sample_php_parameters.html#file-versions