| 123456789101112131415161718192021222324252627282930313233343536 | package apptype Space struct {	packetDispatcher PacketDispatcher	dnsCache         DnsCache}func NewSpace() *Space {	return new(Space)}func (this *Space) Bind(object interface{}) {	if packetDispatcher, ok := object.(PacketDispatcher); ok {		this.packetDispatcher = packetDispatcher	}	if dnsCache, ok := object.(DnsCache); ok {		this.dnsCache = dnsCache	}}func (this *Space) HasPacketDispatcher() bool {	return this.packetDispatcher != nil}func (this *Space) PacketDispatcher() PacketDispatcher {	return this.packetDispatcher}func (this *Space) HasDnsCache() bool {	return this.dnsCache != nil}func (this *Space) DnsCache() DnsCache {	return this.dnsCache}
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