```js
// List.stories.js

import List from './ListComponent.vue';
import ListItem from './ListItem.vue';

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

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

export const OneItem = (args, { argTypes }) => ({
  components: { List, ListItem },
  props: Object.keys(argTypes),
  template: '<list v-bind="$props"><list-item/></list>',
});

export const ManyItems = (args, { argTypes }) => ({
  components: { List, ListItem },
  props: Object.keys(argTypes),
  template: `
    <list v-bind="$props">
      <list-item/>
      <list-item/>
      <list-item/>
    </list>
    `,
});
```