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.

      -1

      """.trimIndent()
    val entryBody = "abc"
    val journalBody = """libcore.io.DiskLruCache
1
201105
2

CLEAN $urlKey ${entryMetadata.length} ${entryBody.length}
"""
    fileSystem.createDirectory(cache.directoryPath)
    writeFile(cache.directoryPath, "$urlKey.0", entryMetadata)