failConnection(e)
        }
      }
      if (streamsToNotify != null) {
        for (stream in streamsToNotify) {
          stream.withLock {
            stream.addBytesToWriteWindow(delta)
          }
        }
      }
    }

    override fun ackSettings() {
      // TODO: If we don't get this callback after sending settings to the peer, SETTINGS_TIMEOUT.
    }