}

      else -> throw IOException("unexpected journal line: $line")
    }
  }

  /**
   * Computes the initial size and collects garbage as a part of opening the cache. Dirty entries
   * are assumed to be inconsistent and will be deleted.
   */
  @Throws(IOException::class)
  private fun processJournal() {
    fileSystem.deleteIfExists(journalFileTmp)