samba - Oct 2009 - sambaShare used?

Just curious, is sambaShare objectClass used by Samba 3.4.2? Currently testing
Samba 3.4.2 with OpenLDAP 2.4.11 backend in test environment. Couldn't find
out much about it other than it has 2 attributes and is part of the
samba.schema.

Thanks 

Kent