src/vs/workbench/contrib/notebook/browser/view/cellParts/cellOutput.ts/CellOutputElement/_generateRendererInfo
class CellOutputElement:	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('unavailableRenderInfo', "renderer not available");
	}