question: private boolean toRetransmitFinalResponse ( int T2 ) { if ( -- retransmissionTicksLeft == 0 ) { if ( 2 * prevRetransmissionTicks <= T2 ) this . retransmissionTicksLeft = 2 * prevRetransmissionTicks ; else this . retransmissionTicksLeft = prevRetransmissionTicks ; this . prevRetransmissionTicks = retransmissionTicksLeft ; return true ; } else return false ; }
target:  Return yes if the last response is to be retransmitted.