public static @Nullable @Nls String generateExternalJavadoc(final @NotNull PsiElement element, @NotNull JavaDocInfoGenerator generator) {
    final List<String> docURLs = getExternalJavaDocUrl(element);
    return generateExternalJavadoc(generator, docURLs);
  }
public static @Nullable @Nls String generateExternalJavadoc(final @NotNull PsiElement element, @NotNull JavaDocInfoGenerator generator)