Example singleton pattern with super fake rabbit client

MySuperFakeRabbitClient.java

/**
 * My super fake rabbit client wrapper
 */
public class MySuperFakeRabbitClientWrapper {

    private static Logger logger = LoggerFactory.getLogger(MySuperFakeRabbitClientWrapper.class);
    private static ActualRabbitClient actualRabbitClient;

    private MySuperFakeRabbitClientWrapper() {
        // Pseudotastic
        this.actualRabbitClient = new ActualRabbitClient();
        
        //totally fake
        this.actualRabbitClient.createNewConnectionPool();
    }

    public static synchronized MySuperFakeRabbitClientWrapper getInstance() {
        return SingletonHolder.INSTANCE;
    }

    private static class SingletonHolder {
        public static final MySuperFakeRabbitClientWrapper INSTANCE = new MySuperFakeRabbitClientWrapper();
    }
    
    private static synchronized ActualRabbitClient getRabbitClient() {
      return this.actualRabbitClient();
    }
    
    private static synchronized killRabbit() {
      this.actualRabbitClient.killRabbit();
    }
}