synchronized(this@DiskLruCache) {
            detach()
          }
        }
      }
    }

    /**
     * Commits this edit so it is visible to readers. This releases the edit lock so another edit
     * may be started on the same key.
     */
    @Throws(IOException::class)
    fun commit() {
      synchronized(this@DiskLruCache) {
        check(!done)

    assertThat(readJournalLines()).isEqualTo(
      listOf(DiskLruCache.MAGIC, DiskLruCache.VERSION_1, "100", "2", "") + expectedBodyLines,
    )
  }

  private fun createJournal(vararg bodyLines: String) {
    createJournalWithHeader(
      DiskLruCache.MAGIC,
      DiskLruCache.VERSION_1,
      "100",
      "2",
      "",
      *bodyLines,
    )
  }

    var editor: DiskLruCache.Editor? = null
    try {
      editor = snapshot.edit() ?: return // edit() returns null if snapshot is not current.
      entry.writeTo(editor)
      editor.commit()
    } catch (_: IOException) {
      abortQuietly(editor)
    }
  }

  private fun abortQuietly(editor: DiskLruCache.Editor?) {
    // Give up because the cache cannot be written.