protected function getConfiguration()
 {
     return array(self::CONFIG_COLUMN_SCHEMA => array('indexKey' => 'bytes12', 'indexValue' => 'sint64'), self::CONFIG_KEY_SCHEMA => array('key_join' => array('columns' => array('objectPHID', 'indexKey', 'indexValue')), 'key_find' => array('columns' => array('indexKey', 'indexValue')))) + parent::getConfiguration();
 }