@Override
    public boolean containsPoint(Point point) {
        return Point.Entry.equals(point);
    }
NetworkAddressAliasMappingListener use the propagated data in the segment reference, set up the alias relationship
between network address and current service and instance. The alias relationship will be used in the {@link
RPCAnalysisListener#parseExit(SpanObject, SegmentObject)} to setup the accurate target destination service
and instance.

This is a key point of SkyWalking header propagation protocol.
oap-server/analyzer/agent-analyzer/src/main/java/org/apache/skywalking/oap/server/analyzer/provider/trace/parser/listener/NetworkAddressAliasMappingListener.java