```ts
// ButtonGroup.stories.ts

import ButtonGroup from './ButtonGroup.vue';

import type { Meta, StoryFn } from '@storybook/vue';

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

export default {
  /* 👇 The title prop is optional.
   * See https://storybook.js.org/docs/7.0/vue/configure/overview#configure-story-loading
   * to learn how to generate automatic titles
   */
  title: 'ButtonGroup',
  component: ButtonGroup,
} as Meta<typeof Button>;

const Template: StoryFn<typeof Button> = (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',
};
```