src/vs/platform/userDataSync/common/userDataSyncStoreService.ts/UserDataSyncStoreClient/updateUserDataSyncStoreUrl
class UserDataSyncStoreClient:	protected updateUserDataSyncStoreUrl(userDataSyncStoreUrl: URI | undefined): void {
		this.userDataSyncStoreUrl = userDataSyncStoreUrl ? joinPath(userDataSyncStoreUrl, 'v1') : undefined;
	}