return Response
        .Builder()
        .request(chain.request())
        .protocol(Protocol.HTTP_1_1)
        .code(HTTP_GATEWAY_TIMEOUT)
        .message("Unsatisfiable Request (only-if-cached)")
        .sentRequestAtMillis(-1L)
        .receivedResponseAtMillis(System.currentTimeMillis())
        .build()
        .also {
          chain.eventListener.satisfactionFailure(call, it)

### Canceling a Call ([.kt][CancelCallKotlin], [.java][CancelCallJava])