```js
// MyComponent.stories.js

export default {
  title: 'MyComponent',
  component: 'my-component',
  includeStories: ['SimpleStory', 'ComplexStory'], // 👈 Storybook loads these stories
  excludeStories: /.*Data$/, // 👈 Storybook ignores anything that contains Data
};

export const simpleData = { foo: 1, bar: 'baz' };
export const complexData = { foo: 1, foobar: { bar: 'baz', baz: someData } };

export const SimpleStory = {
  args: {
    data: simpleData,
  },
};

export const ComplexStory = {
  args: {
    data: complexData,
  },
};
```