class Pair { U a; T b; Pair(){ super(()); } TPH IURS make(TPH IURT x){ TPH IURU ret; ret = new Pair(); ret.a = x.elementAt Signature: [TPH IUSA, TPH IUSB](0); ret.b = x.elementAt Signature: [TPH IUSG, TPH IUSH](1); return ret; } Pair(){ super(()); } }