src/vs/workbench/contrib/userDataSync/browser/userDataSyncViews.ts/UserDataSyncTroubleshootViewDataProvider/getLastSyncStates
class UserDataSyncTroubleshootViewDataProvider:	private async getLastSyncStates(): Promise<ITreeItem[]> {
		const result: ITreeItem[] = [];
		for (const syncResource of ALL_SYNC_RESOURCES) {
			const resource = getLastSyncResourceUri(undefined, syncResource, this.environmentService, this.uriIdentityService.extUri);
			if (await this.fileService.exists(resource)) {
				result.push({
					handle: resource.toString(),
					label: { label: getSyncAreaLabel(syncResource) },
					collapsibleState: TreeItemCollapsibleState.None,
					resourceUri: resource,
					command: { id: API_OPEN_EDITOR_COMMAND_ID, title: '', arguments: [resource, undefined, undefined] },
				});
			}
		}
		return result;
	}