https://learn.microsoft.com/en-us/dotnet/api/system.runtime.remoting.objref?view=netframework-4.8.1&viewFallbackFrom=net-8.0
ObjRef Class (System.Runtime.Remoting) | Microsoft Learn
Stores all relevant information required to generate a proxy in order to communicate with a remote object.
class systemruntimeremotingmicrosoftlearn
https://android.googlesource.com/kernel/common/+/3f5f2283d6843bde6658e93fc50f5f00e5bd3595/net/netfilter/nft_objref.c
net/netfilter/nft_objref.c - kernel/common - Git at Google
netfilternftckernelgit