var res []string
	for k := range m.targets {
		res = append(res, k)
	}
	return res
}

// debugMsg should *only* be used by tests.
//
//lint:ignore U1000 This is used by tests.
func (m *Manager) debugMsg(d debugMsg, args ...any) {
	for _, c := range m.targets {
		c.debugMsg(d, args...)
	}

			},
			OutCapacity: 1,
			InCapacity:  1,
		}))
	}
	register(local)
	register(remote)
	// Double remote DL
	local.debugMsg(debugAddToDeadline, wantDL)
	defer local.debugMsg(debugAddToDeadline, time.Duration(0))
	remote.debugMsg(debugAddToDeadline, wantDL)
	defer remote.debugMsg(debugAddToDeadline, time.Duration(0))

	testHandler := func(t *testing.T, handler HandlerID) {
		remoteConn := local.Connection(remoteHost)

func (c *Connection) Stats() ConnectionStats {
	return ConnectionStats{
		IncomingStreams: c.inStream.Size(),
		OutgoingStreams: c.outgoing.Size(),
	}
}

func (c *Connection) debugMsg(d debugMsg, args ...any) {
	if debugPrint {
		fmt.Println("debug: sending message", d, args)
	}

	switch d {
	case debugShutdown:
		c.updateState(StateShutdown)
	case debugKillInbound: