AssetPackManager.DownloadStatusUpdate.failed(_:_:) A status update that indicates that the download failed. Declarationcase failed(AssetPack, any Error) See AlsoTracking downloadsAssetPackManager.DownloadStatusUpdate.began(_:)AssetPackManager.DownloadStatusUpdate.downloading(_:_:)AssetPackManager.DownloadStatusUpdate.paused(_:)AssetPackManager.DownloadStatusUpdate.finished(_:)