How to use the typescript-styled-plugin/lib/api.StyledTemplateLanguageService function in typescript-styled-plugin

public create(info: ts.server.PluginCreateInfo): ts.LanguageService {
        if ((info.languageService as any)[litHtmlPluginMarker]) {
            // Already decorated
            return info.languageService;
        }

        const logger = new LanguageServiceLogger(info);
        this._config.update(info.config);

        logger.log('config: ' + JSON.stringify(this._config));

        const styledLanguageService = new StyledTemplateLanguageService(
            this._typescript, {} as any,
            new CssDocumentProvider(this.htmlLanguageService),
            logger);

        const htmlTemplateLanguageService = new HtmlTemplateLanguageService(
            this._typescript,
            this._config,
            this._virtualDocumentProvider,
            this.htmlLanguageService,
            styledLanguageService,
            logger);

        const languageService = decorateWithTemplateLanguageService(
            this._typescript,
            info.languageService,
            info.project,