@Override
  public void applyFix(@NotNull Project project, @NotNull PsiElement element, @NotNull ModPsiUpdater updater) {
    PyDocStringOwner docStringOwner = PsiTreeUtil.getParentOfType(element, PyDocStringOwner.class);
    if (docStringOwner == null) return;
    PyStringLiteralExpression docStringExpression = docStringOwner.getDocStringExpression();
    if (docStringExpression == null && myMissingParam == null && myUnexpectedParamName == null) {
      addEmptyDocstring(docStringOwner);
      return;
    }
    if (docStringExpression != null) {
      final PyDocstringGenerator generator = PyDocstringGenerator.forDocStringOwner(docStringOwner);
      if (myMissingParam != null) {
        final PyNamedParameter param = myMissingParam.getElement();
        if (param != null) {
          generator.withParam(param);
        }
      }
      else if (myUnexpectedParamName != null) {
        generator.withoutParam(myUnexpectedParamName.trim());
      }
      generator.buildAndInsert();
    }
  }
@Override
  public void applyFix(@NotNull Project project, @NotNull PsiElement element, @NotNull ModPsiUpdater updater)