public function __construct($name, $typeHint = null, Expression $defaultValue = null, $isPassedByReference = false, $isVariadic = false)
{
parent::__construct($name);
$this->typeHint = $typeHint;
$this->defaultValue = $defaultValue;
$this->isPassedByReference = $isPassedByReference;
$this->isVariadic = $isVariadic;
}
public function __construct($name, $isReference)
{
parent::__construct($name);
$this->isReference = $isReference;
}