docs: public ExtraLanguageFeatureNameConverter getFeatureNameConverter() {
  		ExtraLanguageFeatureNameConverter converter = this.featureConverter;
  		if (converter == null) {
  			converter = createFeatureNameConverterInstance(getFeatureConverterInitializer(), null);
  			this.injector.injectMembers(converter);
  			this.featureConverter = converter;
  		}
  		return converter;
  	}