protected static function _initScopes() {
		static::$_scopes = static::_instance('configuration');
		$self = get_called_class();
		static::$_scopes->initConfig = function($name, $config) use ($self) {
			$defaults = array(
				'absolute' => false,
				'host' => null,
				'scheme' => null,
				'base' => null,
				'prefix' => '',
				'pattern' => '',
				'values' => array(),
				'library' => $name
			);

			$config += $defaults;

			if (!$config['pattern']) {
				$config = $self::invokeMethod('_compileScope', array($config));
			}
			$config['base'] = $config['base'] ? trim($config['base'], '/') : $config['base'];
			return $config;
		};
	}