// Choice here is between failing with a correct RuntimeException
        // or mostly silently with an IOException
        url = urlLine.toHttpUrlOrNull() ?: throw IOException("Cache corruption for $urlLine").also {
          Platform.get().log("cache corruption", WARN, it)
        }
        requestMethod = source.readUtf8LineStrict()
        val varyHeadersBuilder = Headers.Builder()
        val varyRequestHeaderLineCount = readInt(source)

          }
        }
      }
    }
  }

  /**
   * Eagerly reads `byteCount` bytes from the source before launching a background task to
   * process the data.  This avoids corrupting the stream.
   */
  @Throws(IOException::class)
  internal fun pushDataLater(
    streamId: Int,
    source: BufferedSource,
    byteCount: Int,
    inFinished: Boolean,
  ) {

  /**
   * CycleDetectingLock implementations must call this method in a {@code finally} clause after any
   * attempt to change the lock state, including both lock and unlock attempts. Failure to do so can
   * result in corrupting the acquireLocks set.
   */
  private static void lockStateChanged(CycleDetectingLock lock) {
    if (!lock.isAcquiredByCurrentThread()) {