super.delete(path, mustExist)
  }

  @Throws(IOException::class)
  override fun deleteRecursively(
    fileOrDirectory: Path,
    mustExist: Boolean,
  ) {
    if (deleteFaults.contains(fileOrDirectory)) throw IOException("boom!")
    super.deleteRecursively(fileOrDirectory, mustExist)
  }

  override fun appendingSink(
    file: Path,
    mustExist: Boolean,