code: private function initialize($argv, $parameterCluster)
      {
          $this->valid = true;
          $this->haltedBy = null;
          if ($parameterCluster != null) {
              $this->parameterCluster = $parameterCluster;
              if ($argv != null) {
                  $this->preloadAliases($argv);
              }
          }
  
          if ($argv != null) {
              $this->preloadParameters($argv);
          }
      }
docs: Initialize the ParameterParser with new data.
  
  @param  array            $argv
  @param  ParameterCluster $parameterCluster