code: private void writeObject(java.io.ObjectOutputStream out) throws IOException
      {
          if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled())
              Tr.entry(tc, "writeObject : " + this); // d468174
  
          out.writeObject(ivPuRefId);
          out.writeObject(ivJ2eeName); // d510184
          out.writeObject(ivRefName); // d510184
          out.writeObject(ivProperties);
          out.writeBoolean(ivUnsynchronized);
  
          if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled())
              Tr.exit(tc, "writeObject : " + this);
      }
docs: Instance serialization.