REST API to monitor last external user synchronisation period

It would be great to have a REST endpoint to monitor the status of Crowd / LDAP replication.
This would allow customers to monitor if its been too long since the last successful synchronisation.

Crowd seems to have some REST APIs that would let customers do that, but this does not seem to be possible in Stash yet.

This information can be retrieved through a DB query:

select * from cwd_directory_attribute where attribute_name = 'com.atlassian.crowd.directory.sync.laststartsynctime'

The time is shown in milliseconds.

However it would be nice to have a supported API in order to retrieve that information.