public function __construct($criterionName = null, $conditions = null, $CriterionParameterType = null)
 {
     parent::__construct();
     $this->criterionName = $criterionName;
     $this->conditions = $conditions;
     $this->CriterionParameterType = $CriterionParameterType;
 }

 public function __construct($criterionName = NULL, $conditions = NULL, $CriterionParameterType = NULL)
 {
     if (get_parent_class('WebpageParameter')) {
         parent::__construct();
     }
     $this->criterionName = $criterionName;
     $this->conditions = $conditions;
     $this->CriterionParameterType = $CriterionParameterType;
 }