diff --git a/core/modules/system/src/Controller/AssetControllerBase.php b/core/modules/system/src/Controller/AssetControllerBase.php index e37176e..42d72ee 100644 --- a/core/modules/system/src/Controller/AssetControllerBase.php +++ b/core/modules/system/src/Controller/AssetControllerBase.php @@ -17,7 +17,7 @@ /** * Defines a controller to serve asset aggregates. */ -class AssetControllerBase extends FileDownloadController { +abstract class AssetControllerBase extends FileDownloadController { /** * The library dependency resolver. @@ -283,6 +283,6 @@ protected function generateHash(array $asset_group) { * @return [] * An array of assets. */ - abstract protected function getAssetsFromLibraries($libraries) {} + abstract protected function getAssetsFromLibraries($libraries); }