@Override
    public PsiElement handleElementRename(@NotNull String newElementName) throws IncorrectOperationException {
        myAttribute.setValue(getTextRange().replace(myAttribute.getValue(), newElementName));
        final XmlAttributeValue value = myAttribute.getValueElement();
        assert value != null;
        return value;
    }
@Override
    public PsiElement handleElementRename(@NotNull String newElementName)