Collection authenticatorList = getAuthenticators( authenticator.getType() );
Collection authenticatorList = getAuthenticators( authenticator.getAuthenticatorType() );
    public void unregister( org.apache.ldap.server.auth.Authenticator authenticator )    {        Collection authenticatorList = getAuthenticators( authenticator.getType() );        if ( authenticatorList == null )        {            return;        }        authenticatorList.remove( authenticator );    }