Function useBackgroundSync
useBackgroundSync(): { getTags: () => Promise<string[]>; register: (tag: string) => Promise<boolean>; get state(): BackgroundSyncState; subscribe(callback: (state: BackgroundSyncState) => void): () => boolean;} Returns {
getTags: () => Promise<string[]>;
register: (tag: string) => Promise<boolean>;
get state(): BackgroundSyncState;
subscribe(callback: (state: BackgroundSyncState) => void): () => boolean;
}