src/vs/workbench/contrib/notebook/browser/view/renderers/backLayerWebView.ts/BackLayerWebView/getOriginStore
class BackLayerWebView:	private static getOriginStore(storageService: IStorageService): WebviewOriginStore {
		this._originStore ??= new WebviewOriginStore('notebook.backlayerWebview.origins', storageService);
		return this._originStore;
	}