```js
// ButtonGroup.stories.js

import ButtonGroup from '../ButtonGroup.svelte';

//👇 Imports the Button stories
import * as ButtonStories from './Button.stories';

export default {
  /* 👇 The title prop is optional.
  * See https://storybook.js.org/docs/svelte/configure/overview#configure-story-loading
  * to learn how to generate automatic titles
  */
  title: 'ButtonGroup',
  component: ButtonGroup,
};

const Template = (args) => ({
  Component: ButtonGroup,
  props: args,
});

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