```ts
// ButtonGroup.stories.ts|tsx

import type { Meta } from '@storybook/react';

import { Button, ButtonGroup } from './ButtonGroup';

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

export default meta;
```
