class ProxyServiceHelper {

    @MainThread
    public void startNetworkSession(@Nullable final String reason,
            ProxyNetworkAgent.Listener callback) {
        DebugAssert.isMainThread();
        mProxyNetworkAgent.maybeSetUpNetworkAgent(reason, mCompanionName, callback);
        mProxyNetworkAgent.setConnected(reason, mCompanionName);
    }

    public  ProxyServiceHelper(
            final Context context,
            final NetworkCapabilities capabilities,
            final ProxyLinkProperties proxyLinkProperties);

}