code: function defaultTask(conf, undertaker, done) {
    return undertaker.series(
      require('../build/build').bind(null, conf, undertaker),
      require('../other/watch').bind(null, conf, undertaker)
    )(done);
  }
docs: The default task to be run.
  
  @param {ConfigParser} conf A configuration parser object.
  @param {Undertaker} undertaker An Undertaker instance.
  
  @returns {Stream} A stream of files.