if (!exhausted()) {
        rebuildJournal()
      } else {
        journalWriter?.closeQuietly()
        journalWriter = newJournalWriter()
      }
    }
  }

  @Throws(FileNotFoundException::class)
  private fun newJournalWriter(): BufferedSink {
    val fileSink = fileSystem.appendingSink(journalFile)
    val faultHidingSink =
      FaultHidingSink(fileSink) {
        assertLockHeld()