package quic

import 

const qntMaxRetryInterval = 2 * time.Second

func qntRetryDelay( uint8,  time.Duration) time.Duration {
	 :=  / 10
	if  <= 0 {
		return 0
	}
	if  > 8 {
		 = 8
	}
	 :=  << 
	if  > 0 {
		 -=  << ( - 1)
	}
	if  > qntMaxRetryInterval {
		return qntMaxRetryInterval
	}
	return 
}