// debugMsg is a debug message for testing purposes.
// may only be used for tests.
type debugMsg int

const (
	debugPrint = false
	debugReqs  = false
)

const (
	debugShutdown debugMsg = iota
	debugKillInbound
	debugKillOutbound
	debugWaitForExit
	debugSetConnPingDuration
	debugSetClientPingDuration
	debugAddToDeadline
	debugIsOutgoingClosed
)