6 files declare their use of KeyValueStoreExpirableInterface in Drupal 8

ModulesListConfirmForm.php in core/modules/system/src/Form/ModulesListConfirmForm.php

ModulesListForm.php in core/modules/system/src/Form/ModulesListForm.php

ModulesUninstallConfirmForm.php in core/modules/system/src/Form/ModulesUninstallConfirmForm.php

ModulesUninstallForm.php in core/modules/system/src/Form/ModulesUninstallForm.php

PrivateTempStore.php in core/lib/Drupal/Core/TempStore/PrivateTempStore.php

SharedTempStore.php in core/lib/Drupal/Core/TempStore/SharedTempStore.php