Angular: Type '"periodic-background-sync"' is not assignable to type 'PermissionName'

I try to activate a background-sync, but i run to error when I typing the code. Why can't find it?

Should i update something?

My code:

if ('periodicSync' in worker) {
    const status = await navigator.permissions.query({
       name: 'periodic-background-sync', //ERROR
    });
    // Periodic background sync can be used.
    if (status.state === 'granted') {
       const tags = await worker.periodicSync.getTags(); //ERROR
       if (!tags.includes('sendDbDatas')) {
          worker.periodicSync.register('sendDbDatas'); //ERROR
       }
    } else {
       // Periodic background sync cannot be used.
    }
}

I see typings doesn't allow the value 'periodic-background-sync'.

interface DevicePermissionDescriptor extends PermissionDescriptor {
    deviceId?: string;
    name: "camera" | "microphone" | "speaker";
}

as a workaround, you can use casting to any.

    const status = await navigator.permissions.query({
       name: <any>'periodic-background-sync'
    });

Looking into Web Periodic Background Synchronization draft I would be brave enough to say this periodic sync is a modern feature that is not mature yet. No surprise typings are not aware of it.