```ts
// Page.stories.ts

import { Meta, moduleMetadata, Story } from '@storybook/angular';

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

import { Button } from './button.component';
import { Header } from './header.component';
import { Page } from './page.component';

//👇 Imports all Header stories
import * as HeaderStories from './Header.stories';

export default {
  /* 👇 The title prop is optional.
  * See https://storybook.js.org/docs/angular/configure/overview#configure-story-loading
  * to learn how to generate automatic titles
  */
  title: 'Page',
  component: Page,
  decorators: [
    moduleMetadata({
      declarations: [Button, Header],
      imports: [CommonModule],
    }),
  ],
} as Meta;

const Template: Story = (args) => ({
  props: args,
});

export const LoggedIn = {
  args: {
    ...HeaderStories.LoggedIn.args,
  },
};
```