Component doesnt exported by @formio/js

[jdbaha]

import { Templates, Components, Component } from '@formio/js';

Templates.addTemplate('mytemplate', {
    form: (ctx) => `
<div>
  <div ref="myref">
    ${ctx.foo}
    <div ref="mychild">1</div>
    <div ref="mychild">2</div>
    <div ref="mychild">3</div>
  </div>
</div>
`
});

class MyComponent extends Component {

this code not working
formio doesnt export Component
and displays error Unknown template in render

[lane-formio]

Can you provide any additional information such as what version you are using? A code sandbox to demonstrate?