```js
//ButtonGroup.stories.js

import ButtonGroup from './ButtonGroup';
import * as ButtonStories from './MyButton.stories';

export default {
  title: 'ButtonGroup',
  component: ButtonGroup,
};

const Template = (args, { argTypes }) => ({
  components: { ButtonGroup },
  props: Object.keys(argTypes),
  template: '<ButtonGroup v-bind="$props" />'
});

export const Pair = Template.bind({});
Pair.args = {
  buttons: [
    { ...ButtonStories.Primary.args },
    { ...ButtonStories.Secondary.args }
  ],
  orientation: "horizontal"
};
```