Mark some functions as private
Mark some functions as private

There's no reason to expose these publicly. Don't do it.

Change-Id: I13f8e356bce5b5c5c82836006bf003a90f4344c4

openstack/openstackdocstheme,openstack/openstackdocstheme,openstack/openstackdocstheme,openstack/openstackdocstheme