* invoked at any point in a call's life, including before [callStart] and after [callEnd].
   */
  open fun canceled(call: Call) {
  }

  /**
   * Invoked when a call fails due to cache rules.
   * For example, we're forbidden from using the network and the cache is insufficient
   */
  open fun satisfactionFailure(
    call: Call,
    response: Response,
  ) {
  }

  /**