public void shutdown() {
        shutdownListener.onShutdown();
    }

    public void addShutdownListener(final ShutdownListener listener) {
        shutdownListener = listener;
    }

    public interface ShutdownListener {
        void onShutdown();
    }

        client.deletePits(deletePITRequest, listener);
    }

    @Override
    public void getAllPits(final GetAllPitNodesRequest getAllPitNodesRequest, final ActionListener<GetAllPitNodesResponse> listener) {
        client.getAllPits(getAllPitNodesRequest, listener);
    }

    @Override

            }
            buf.append('\n');
        });
        return buf.toString();
    }

    public void addUpdateConfigListener(final String name, final Supplier<String> listener) {
        updateConfigListenerMap.put(name, listener);
    }

    public boolean isChangedClusterState(final int status) {
        return previousClusterState.getAndSet(status) != status;
    }