text: import React, {PureComponent} from 'react';
  import PropTypes from 'prop-types';
  import classNames from 'classnames';
  import noop from 'noop';
  
  export default class extends PureComponent {
    static propTypes = {
      className: PropTypes.string
    };
  
    static defaultProps = {};
  
    render() {
      const {className, children} = this.props;
      return (
        <div className={classNames('level-item', className)}>{children}</div>
      );
    }
  }
  