src/vs/platform/userDataSync/common/abstractSynchronizer.ts/AbstractSynchroniser/getRemoteSyncResourceHandles
class AbstractSynchroniser:	async getRemoteSyncResourceHandles(): Promise<ISyncResourceHandle[]> {
		const handles = await this.userDataSyncStoreService.getAllRefs(this.resource);
		return handles.map(({ created, ref }) => ({ created, uri: this.toRemoteBackupResource(ref) }));
	}