return new FileDeletionResult(isSuccessful, null);
        }

        static FileDeletionResult withException(Exception exception) {
            return new FileDeletionResult(false, exception);
        }

        private final boolean isSuccessful;
        @Nullable
        private final Exception exception;

        private FileDeletionResult(boolean isSuccessful, @Nullable Exception exception) {

                false
            ) {
                @Override
                protected DefaultDeleter.FileDeletionResult deleteFile(File file) {
                    switch (deletionAction.apply(file)) {
                        case DeletionAction.EXCEPTION:
                            return DefaultDeleter.FileDeletionResult.withException(new Exception("ROOT CAUSE"))
                        case DeletionAction.FAILURE: