$unescaped_taints * @param ?array $escaped_taints */ public function __construct( string $type, int $length, ?array $unescaped_taints = null, ?array $escaped_taints = null ) { $this->type = $type; $this->length = $length; $this->unescaped_taints = $unescaped_taints; $this->escaped_taints = $escaped_taints; } }