function MyApp() {
    const {
        isOnline,
        isSyncing,
        pendingCount,
        sync,
        create,
        update,
        remove,
        getConflicts,
        resolveConflict
    } = useSyncClient({
        apiUrl: '/api/smartauth',
        getAccessToken: () => localStorage.getItem('access_token'),
        scope: ['thirdparty', 'contact', 'product']
    });

    return (
        <div>
            <p>Status : {isOnline ? 'En ligne' : 'Hors ligne'}</p>
            <p>Modifications en attente : {pendingCount}</p>
        </div>
    );
}