see https://scrutinizer-ci.com/g/devhelp/Backup/inspections/a73395bd-2711-49f9-a568-58b0a3dfb0a2/issues/files/src/Devhelp/Backup/Adapter/Flysystem/TargetFlysystemAdapter.php?status=existing&orderField=path&order=asc#inspectioncomment-518595266
