text: 'use strict';
  
  var ver = process.versions.node;
  var majorVer = parseInt(ver.split('.')[0], 10);
  
  if (majorVer < 4) {
    console.error(
      'Node version ' +
        ver +
        ' is not supported in Bolt, please use Node.js 4.0 or higher.',
    );
    process.exit(1);
  } else if (majorVer < 8) {
    module.exports = require('./dist/legacy/index');
  } else {
    module.exports = require('./dist/modern/index');
  }
  