static <POWER extends SuperHearing & SuperSmell> void superFind(SuperHero<POWER> hero) {
hero.getPower().hearSubtleNoises();
hero.getPower().trackBySmell();
}
// Bounds in generic methods:
static <POWER extends SuperHearing> void useSuperHearing(SuperHero<POWER> hero) {
hero.getPower().hearSubtleNoises();
}