MyBuilder\Cronos\Formatter\Cron::header PHP Method

    public function header()
    {
        $this->header = new Header($this);
        return $this->header;
    }

 /**
  * Create and configure Cron
  *
  * @return CronFormatter
  */
 private function createCronConfiguration()
 {
     $cron = new CronFormatter();
     $configurator = new ArrayHeaderConfigurator($cron->header());
     $configurator->configureFrom($this->config);
     return $cron;
 }