text: import React from 'react';
  import PropTypes from 'prop-types';
  
  
  /** A component that says Hello with a custom message */
  function HelloWorld({message}) {
    return <div>Hello {message}</div>
  }
  
  HelloWorld.propTypes = {
    /** message to display */
    message: PropTypes.string,
  };
  
  HelloWorld.defaultProps = {
    message: 'World',
  }
  
  export default HelloWorld;
  