public static void injectReference(@NotNull MultiHostRegistrar registrar,
                                     @NotNull Language language,
                                     @NotNull String prefix,
                                     @NotNull String suffix,
                                     @NotNull PsiLanguageInjectionHost host,
                                     @NotNull TextRange rangeInsideHost) {
    ((InjectionRegistrarImpl)registrar).injectReference(language, prefix, suffix, host, rangeInsideHost);
  }
public static void injectReference(@NotNull MultiHostRegistrar registrar,
                                     @NotNull Language language,
                                     @NotNull String prefix,
                                     @NotNull String suffix,
                                     @NotNull PsiLanguageInjectionHost host,
                                     @NotNull TextRange rangeInsideHost)