src/vs/workbench/contrib/notebook/browser/diff/diffElementOutputs.ts/OutputElement/generateRendererInfo
class OutputElement:	private generateRendererInfo(renderId: string): string {
		const renderInfo = this._notebookService.getRendererInfo(renderId);

		if (renderInfo) {
			const displayName = renderInfo.displayName !== '' ? renderInfo.displayName : renderInfo.id;
			return `${displayName} (${renderInfo.extensionId.value})`;
		}

		return nls.localize('builtinRenderInfo', "built-in");
	}