@NotNull
  private static List<PsiReference> referencesFromFields(@NotNull PyStringLiteralExpression element,
                                                         int offset,
                                                         @NotNull List<SectionBasedDocString.SectionField> fields,
                                                         @Nullable ReferenceType nameRefType) {
    final List<PsiReference> result = new ArrayList<>();
    for (SectionBasedDocString.SectionField field : fields) {
      for (Substring nameSub: field.getNamesAsSubstrings()) {
        if (nameRefType != null && nameSub != null && !nameSub.isEmpty()) {
          final TextRange range = nameSub.getTextRange().shiftRight(offset);
          result.add(new DocStringParameterReference(element, range, nameRefType));
        }
      }
      final Substring typeSub = field.getTypeAsSubstring();
      if (typeSub != null && !typeSub.isEmpty()) {
        result.addAll(parseTypeReferences(element, typeSub, offset));
      }
    }
    return result;
  }
@NotNull
  private static List<PsiReference> referencesFromFields(@NotNull PyStringLiteralExpression element,
                                                         int offset,
                                                         @NotNull List<SectionBasedDocString.SectionField> fields,
                                                         @Nullable ReferenceType nameRefType)