src/vs/platform/userDataSync/common/userDataSyncStoreService.ts/UserDataSyncStoreClient/getResourceUrl
class UserDataSyncStoreClient:	private getResourceUrl(userDataSyncStoreUrl: URI, collection: string | undefined, resource: ServerResource): URI {
		return collection ? joinPath(userDataSyncStoreUrl, 'collection', collection, 'resource', resource) : joinPath(userDataSyncStoreUrl, 'resource', resource);
	}