@SuppressWarnings("DeprecatedIsStillUsed")
  @Deprecated
  default @Nls @Nullable String fetchExternalDocumentation(final Project project, PsiElement element, List<String> docUrls) {
    return null;
  }
@SuppressWarnings("DeprecatedIsStillUsed")
  @Deprecated
  default @Nls @Nullable String fetchExternalDocumentation(final Project project, PsiElement element, List<String> docUrls)