public void setGroupSearchFilter(String groupSearchFilter) {
        this.groupSearchFilter = groupSearchFilter;
        properties.put("ldap.groupSearchFilter", groupSearchFilter);
    }
Sets the search filter appended to the default filter when searching for groups.

@param groupSearchFilter the search filter appended to the default filter
     when searching for groups.
xmppserver/src/main/java/org/jivesoftware/openfire/ldap/LdapManager.java