content: import PropTypes from 'prop-types';
  import React from 'react';
  import invariant from 'invariant';
  
  class NodeType extends React.Component {
  	static displayName = 'NodeType';
  	static propTypes = {
  		type: PropTypes.string.isRequired,
  		component: PropTypes.func.isRequired,
  	};
  
  	render() {
  		invariant(
  			false,
  			'<NodeType> elements are for DataFlow configuration only and should not be rendered',
  		);
  		return null;
  	}
  }
  
  export default NodeType;
  