src/vs/workbench/contrib/notebook/browser/notebookKernelServiceImpl.ts/NotebookTextModelLikeId/obj
class NotebookTextModelLikeId:	static obj(s: string): INotebookTextModelLike {
		const idx = s.indexOf('/');
		return {
			viewType: s.substr(0, idx),
			uri: URI.parse(s.substr(idx + 1))
		};
	}