text: // Compile this with Babel.
  // babel --config-file ./babel.config.json BabelClasses.js --out-file BabelClasses-compiled.js --source-maps
  
  class BabelClass extends React.Component {
    render() {
      return this.props.children;
    }
  }
  
  class BabelClassWithFields extends React.Component {
    // These compile to defineProperty which can break some interception techniques.
    props;
    state = {};
    render() {
      return this.props.children;
    }
  }
  