code: protected void requestOidRemove (String name, OidList list, int oid)
      {
          // if we're on the authoritative server, we update the set immediately
          boolean applyImmediately = isAuthoritative();
          if (applyImmediately) {
              list.remove(oid);
          }
          // dispatch an object removed event
          postEvent(new ObjectRemovedEvent(_oid, name, oid).setAlreadyApplied(applyImmediately));
      }
docs: Calls by derived instances when an oid remover method was called.