@Override
    public void setAdmins(final List<JID> admins) {
        ADMIN_JIDS.setValue(admins);
    }
The default provider sets a comma separated list as the system property
{@code admin.authorizedJIDs}
@see org.jivesoftware.openfire.admin.AdminProvider#setAdmins(java.util.List)
xmppserver/src/main/java/org/jivesoftware/openfire/admin/DefaultAdminProvider.java