__construct() public méthode

public __construct ( $name = 'default' )
 /**
  * @param string $header
  */
 public function __construct($header = null)
 {
     parent::__construct('refinery29');
     $this->header = $header;
     $this->setRiskyAllowed(true);
 }
 public function __construct(string $name = 'narrowspark')
 {
     parent::__construct($name);
 }
 public function __construct(string $name = 'narrowspark', string $description = 'The configuration for Narrowspark PHP applications')
 {
     parent::__construct($name, $description);
 }