this(connectionManager, logger, configuration, queueName);
this.connectionManager = connectionManager; this.logger = logger; this.configuration = configuration;
    public PooledConnectionQueue(PooledConnectionManager connectionManager,        Logger logger, ConnectionPoolConfiguration configuration,         String queueName, Object key)    {        this(connectionManager, logger, configuration, queueName);                this.key = key;        this.personalized = true;    }