@NotNull
  public PyNamedTupleType clarifyFields(@NotNull Map<String, PyType> fieldNameToType) {
    if (!myTyped) {
      final LinkedHashMap<String, FieldTypeAndDefaultValue> newFields = new LinkedHashMap<>(myFields);

      for (Map.Entry<String, PyType> entry : fieldNameToType.entrySet()) {
        final String fieldName = entry.getKey();

        if (newFields.containsKey(fieldName)) {
          newFields.put(fieldName, new FieldTypeAndDefaultValue(entry.getValue(), null));
        }
      }

      return new PyNamedTupleType(myClass, myName, newFields, isDefinition(), false, myDeclaration);
    }

    return this;
  }
@NotNull
  public PyNamedTupleType clarifyFields(@NotNull Map<String, PyType> fieldNameToType)