/**
  * getDefaultOptions
  *
  * Add a replacement for DURATION, conditionally set depending on debug,
  *
  * @return array
  */
 protected function getDefaultOptions()
 {
     parent::getDefaultOptions();
     if (!isset($this->defaultOptions['replacements']['DURATION'])) {
         $duration = $this->debug() ? '+10 seconds' : '+999 days';
         $this->defaultOptions['replacements']['DURATION'] = $duration;
     }
     return $this->defaultOptions;
 }