Namespace Java.Rmi.Dgc Classes DGC https://docs.oracle.com/en/java/javase/11/docs/api/java.rmi/java/rmi/dgc/DGC.html Lease https://docs.oracle.com/en/java/javase/11/docs/api/java.rmi/java/rmi/dgc/Lease.html VMID https://docs.oracle.com/en/java/javase/11/docs/api/java.rmi/java/rmi/dgc/VMID.html Interfaces IDGC .NET interface for TO BE DEFINED FROM USER