protected Pair<PsiLanguageInjectionHost, Language> processInjection(Language language,
                                                                        List<InjectionInfo> list,
                                                                        boolean xmlInjection,
                                                                        boolean unparsable) {
      return null;
    }
protected Pair<PsiLanguageInjectionHost, Language> processInjection(Language language,
                                                                        List<InjectionInfo> list,
                                                                        boolean xmlInjection,
                                                                        boolean unparsable)