src/vs/workbench/api/browser/mainThreadTreeViews.ts/MainThreadTreeViews/$reveal
class MainThreadTreeViews:	$reveal(treeViewId: string, itemInfo: { item: ITreeItem, parentChain: ITreeItem[] } | undefined, options: IRevealOptions): Promise<void> {
		this.logService.trace('MainThreadTreeViews#$reveal', treeViewId, itemInfo?.item, itemInfo?.parentChain, options);

		return this.viewsService.openView(treeViewId, options.focus)
			.then(() => {
				const viewer = this.getTreeView(treeViewId);
				if (viewer && itemInfo) {
					return this.reveal(viewer, this._dataProviders.get(treeViewId)!, itemInfo.item, itemInfo.parentChain, options);
				}
				return undefined;
			});
	}