src/vs/workbench/contrib/notebook/browser/services/notebookServiceImpl.ts/NotebookService/getStaticPreloads
class NotebookService:	*getStaticPreloads(viewType: string): Iterable<INotebookStaticPreloadInfo> {
		for (const preload of this._notebookStaticPreloadInfoStore) {
			if (preload.type === viewType) {
				yield preload;
			}
		}
	}