assert getVersion(it) > versionsBefore[it]
            assert getVersion(it) > versionAtRootBefore
        }
        unchangedLocations.forEach {
            assert getVersion(it) == versionsBefore[it]
            assert getVersion(it) <= versionAtRootBefore
        }
        getVersion(invalidateLocation) > versionsBefore[invalidateLocation]

        where:

        long versionBefore = versionHierarchyRoot.getVersion(absolutePath);
        FileSystemLocationSnapshot snapshot = snapshotSupplier.get();
        storeIfUnchanged(absolutePath, versionBefore, snapshot);
        return snapshot;
    }

    @Override
    public <T> T store(String baseLocation, StoringAction<T> storingAction) {
        long versionBefore = versionHierarchyRoot.getVersion(baseLocation);