Samadhi or superconsciousness?-Patanjali Yoga Sutra – Vibhuti Pada

What is Samadhi or superconsciousness?
3.3.Tadevarthamatranirbhasaà svarupasunyamiva samadhih| Tadeva-the same Artha-the object of dhayana Matra-only Nirbhasam-appearing Svarüpa-one own form Sunyam-empty Iva-as if Samadhih-trance Samadhi is called, when there is only the object appearing without the consciousness of ones own self.