private function provisionEventConfigurable($prov_event, $mapping = NULL) {

    if ($mapping) {
      if ($prov_event == LDAP_USER_EVENT_CREATE_LDAP_ENTRY || $prov_event == LDAP_USER_EVENT_SYNCH_TO_LDAP_ENTRY) {
        $configurable = (boolean)(!isset($mapping['configurable_to_ldap']) || $mapping['configurable_to_ldap']);
      }
      elseif ($prov_event == LDAP_USER_EVENT_CREATE_DRUPAL_USER || $prov_event == LDAP_USER_EVENT_SYNCH_TO_DRUPAL_USER) {
        $configurable = (boolean)(!isset($mapping['configurable_to_drupal']) || $mapping['configurable_to_drupal']);
      }
    }
    else {
      $configurable = TRUE;
    }

    return $configurable;
  }