src/vs/workbench/services/userDataSync/browser/userDataSyncWorkbenchService.ts/UserDataSyncPreview/pull
class UserDataSyncPreview:	async pull(): Promise<void> {
		if (!this.manualSync) {
			throw new Error('Can pull only while syncing manually');
		}
		await this.manualSync.task.pull();
		this.updatePreview([]);
	}