@NotNull
  public static PyDocstringGenerator update(@NotNull PyAstStringLiteralExpression docString) {
    return new PyDocstringGenerator(PsiTreeUtil.getParentOfType(docString, PyAstDocStringOwner.class),
                                    docString.getText(),
                                    DocStringParser.getConfiguredDocStringFormatOrPlain(docString),
                                    PyIndentUtil.getElementIndent(docString),
                                    docString);
  }
@NotNull
  public static PyDocstringGenerator update(@NotNull PyAstStringLiteralExpression docString)