@Override
  public void setLoadProbe(ServerLoadProbe loadProbe) throws AdminException {
    checkRunning();
    if (!(loadProbe instanceof Serializable)) {
      throw new IllegalArgumentException(
          "Load probe must be Serializable to be used with admin API");
    }
    bridgeInfo.setLoadProbe(loadProbe);
  }
Returns the VM-unique id of this cache server
geode-core/src/main/java/org/apache/geode/admin/internal/SystemMemberBridgeServerImpl.java