implement OpenBitSet.nextSetBit()
implement OpenBitSet.open()
implement hasDeadStates()
implement minimizeHopcroft()
implement determinize()
implement totalize()
implement Automaton.startPoints()
implement Automaton.step()
implement complement() and OpenBitSet.clear()
implement Automaton.getTransition()
implement intersection()
implement Automaton.sortedTransitions()
implement repeat()
implement concatenateN()
implement Automaton.finishCurrentState()
implement minMaxDestSorter.less()
implement sorter.swap(0)
implement Automaton.finishCurrentState()
fix