We have a 'nis' schema included in ADS, which covers all the RFC 2307bis schema elements, but it's not enabled by default (it's easy to enable it using Studio, or configuring the bootstrap-partion pom.xml to produce an enabled version of the initial schema base).
The automapXXX At are present in the autofs schema, too,except the automountKey AT.
So basically, we support mostly all the needed elements, but they are not enabled out of the box.
What would be interesting is to define the correct subset of elements needed for some specific ADS usage (for instance, SAMBA coverage, etc), and to provide the associated initial schema base for such usages.
Last, not least, some fixes has been applied in the ads-mina2 branch as the boostrap-partition project was producing some NPE when activating the nis schema.