}

    @Override
    public void allowCoreThreadTimeOut(boolean value) {
        delegate.allowCoreThreadTimeOut(value);
    }

    @Override
    public void setMaximumPoolSize(int maximumPoolSize) {
        delegate.setMaximumPoolSize(maximumPoolSize);
    }

    @Override
    public int getMaximumPoolSize() {
        return delegate.getMaximumPoolSize();
    }

    @Override

    int getCorePoolSize();

    boolean prestartCoreThread();

    int prestartAllCoreThreads();

    boolean allowsCoreThreadTimeOut();

    void allowCoreThreadTimeOut(boolean value);

    void setMaximumPoolSize(int maximumPoolSize);

    int getMaximumPoolSize();

    void setKeepAliveTime(long time, TimeUnit unit);

    long getKeepAliveTime(TimeUnit unit);

    BlockingQueue<Runnable> getQueue();

            HikariConfig config = new HikariConfig();
            config.setJdbcUrl(getUrl());
            config.setUsername(getUserName());
            config.setPassword(getPassword());
            config.setMaximumPoolSize(1);
            config.setMaxLifetime(MAX_LIFETIME_MS);
            dataSource = new HikariDataSource(config);

            executeInitializers(dataSource);
        }
        return dataSource.getConnection();