return newRoot;
    }

    private SnapshotHierarchy removeUnwatchedSnapshots(SnapshotHierarchy newRoot, Invalidator invalidator) {
        // Keep only snapshots we can trust
        return retainOnlyMatchingSnapshots(newRoot, invalidator, snapshot -> {
            // Keep everything in immutable locations, because Gradle makes sure
            // to update the VFS when it updates those locations