Currently, Doxygen does not generate pages for most non-class constructs (e.g. enums and free funcs), since the `mantle_api` ns is undocumented. Cheers, Martin Martin Stump <martin.stump@mercedes-benz.com> on behalf of Mercedes-Benz Tech Innovation GmbH, [Provider Information](https://github.com/mercedes-benz/foss/blob/master/PROVIDER_INFORMATION.md)