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