src/vs/workbench/contrib/notebook/browser/view/renderers/backLayerWebView.ts/BackLayerWebView/getStaticPreloadsData
class BackLayerWebView:	private getStaticPreloadsData(): StaticPreloadMetadata[] {
		return Array.from(this.notebookService.getStaticPreloads(this.notebookViewType), preload => {
			return { entrypoint: this.asWebviewUri(preload.entrypoint, preload.extensionLocation).toString().toString() };
		});
	}