src/vs/platform/userDataSync/common/userDataSyncService.ts/UserDataSyncService/getAssociatedResources
class UserDataSyncService:	async getAssociatedResources(resource: SyncResource, syncResourceHandle: ISyncResourceHandle): Promise<{ resource: URI; comparableResource: URI }[]> {
		const result = await this.performSynchronizerAction(async synchronizer => {
			if (synchronizer.resource === resource) {
				return synchronizer.getAssociatedResources(syncResourceHandle);
			}
			return undefined;
		});
		return result || [];
	}