```ts
// Checkbox.stories.ts|tsx

import React from 'react';

import type { ComponentStoryObj, ComponentStory } from '@storybook/react';

import { Checkbox } from './Checkbox';

export default {
  /* 👇 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: 'Checkbox',
  component: Checkbox,
} as ComponentMeta<typeof Checkbox>;

/*
 *👇 Render functions are a framework specific feature to allow you control on how the component renders.
 * See https://storybook.js.org/docs/7.0/react/api/csf
 * to learn how to use render functions.
 */
export const allCheckboxes: ComponentStoryObj<typeof Checkbox> = {
  render: () => (
    <form>
      <Checkbox id="Unchecked" label="Unchecked" />
      <Checkbox id="Checked" label="Checked" checked />
      <Checkbox appearance="secondary" id="second" label="Secondary" checked />
    </form>
  ),
};
```
