protected static function _initScopes() {
		static::$_scopes = static::_instance('configuration');

		static::$_scopes->initConfig = function($name, $config) {
			$defaults = [
				'absolute' => false,
				'host' => null,
				'scheme' => null,
				'base' => null,
				'prefix' => '',
				'pattern' => '',
				'values' => [],
				'library' => $name
			];

			$config += $defaults;

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