```ts
// List.stories.ts

import { moduleMetadata } from '@storybook/angular';

import { CommonModule } from '@angular/common';

import { List } from './list.component';
import { ListItem } from './list-item.component';

export default {
  component: List,
  decorators: [
    moduleMetadata({
      declarations: [List, ListItem],
      imports: [CommonModule],
    }),
  ],
};

export const Empty = {
  render: (args) => ({
    props: args,
    template: '<app-list></app-list>',
  }),
};

export const OneItem = {
  render: (args) => ({
    props: args,
    template: `
      <app-list>
        <app-listitem></app-listitem>
      </app-list>`,
  }),
};

export const ManyItems = {
  render: (args) => ({
    props: args,
    template: `
      <app-list>
        <app-listitem></app-listitem>
        <app-listitem></app-listitem>
        <app-listitem></app-listitem>
      </app-list>
    `,
  }),
};
```