src/vs/editor/standalone/browser/standaloneLanguages.ts/registerCodeLensProvider
export function registerCodeLensProvider(languageSelector: LanguageSelector, provider: languages.CodeLensProvider): IDisposable {
	const languageFeaturesService = StandaloneServices.get(ILanguageFeaturesService);
	return languageFeaturesService.codeLensProvider.register(languageSelector, provider);
}