Warning: Unsupported declare 'strict_types' in C:\www\inv\BaconQrCode\Renderer\Eye\SquareEye.php on line 2

Fatal error: Interface 'BaconQrCode\Renderer\Eye\EyeInterface' not found in C:\www\inv\BaconQrCode\Renderer\Eye\SquareEye.php on line 12