public static function getExtConfig( $name, $default = null )
	{
		if( self::$extConfig === null )
		{
			if( class_exists( '\TYPO3\CMS\Core\Configuration\ExtensionConfiguration' ) ) {
				self::$extConfig = GeneralUtility::makeInstance( 'TYPO3\CMS\Core\Configuration\ExtensionConfiguration' )->get( 'aimeos' );
			} else { // @deprecated Since TYPO3 9.x
				self::$extConfig = unserialize( $GLOBALS['TYPO3_CONF_VARS']['EXT']['extConf']['aimeos'] );
			}
		}

		if( isset( self::$extConfig[$name] ) ) {
			return self::$extConfig[$name];
		}

		return $default;
	}