* Implementations should take appropriate action to handle the updated settings.
     *
     * Methods to this method may be made concurrently with [onStream]. But a calls to this method
     * are serialized.
     */
    open fun onSettings(
      connection: Http2Connection,
      settings: Settings,
    ) {}

    companion object {
      @JvmField
      val REFUSE_INCOMING_STREAMS: Listener =