class ProactiveFloodFlowWriter implements DataTreeChangeListener<StpStatusAwareNodeConnector>,
        OpendaylightInventoryListener {

    public void setFlowInstallationDelay(long flowInstallationDelay) {
        this.flowInstallationDelay = flowInstallationDelay;
    }

    public  ProactiveFloodFlowWriter(DataBroker dataBroker, SalFlowService salFlowService);

}