fun readAndWriteOverlapsMaintainConsistency(parameters: Pair<FileSystem, Boolean>) {
    setUp(parameters.first, parameters.second)
    Assumptions.assumeFalse(windows) // Can't edit while a read is in progress.

    val v1Creator = cache.edit("k1")!!
    v1Creator.setString(0, "AAaa")
    v1Creator.setString(1, "BBbb")
    v1Creator.commit()

    cache["k1"]!!.use { snapshot1 ->