}
  }

  @Synchronized fun writeAbortCount(): Int = writeAbortCount

  @Synchronized fun writeSuccessCount(): Int = writeSuccessCount

  @Throws(IOException::class)
  fun size(): Long = cache.size()

  /** Max size of the cache (in bytes). */
  fun maxSize(): Long = cache.maxSize

  @Throws(IOException::class)
  override fun flush() {
    cache.flush()
  }

  @Throws(IOException::class)