helixManager.addPreConnectCallback( () -> _controllerMetrics.addMeteredGlobalValue(ControllerMeter.HELIX_ZOOKEEPER_RECONNECTS, 1L)); _controllerMetrics.initializeGlobalMeters();
.addPreConnectCallback(() -> serverMetrics.addMeteredGlobalValue(ServerMeter.HELIX_ZOOKEEPER_RECONNECTS, 1L));
_helixManager.addPreConnectCallback(new PreConnectCallback() { @Override public void onPreConnect() {