class UnpooledDataSource implements DataSource {

  @Override
  public Connection getConnection() throws SQLException {
    return doGetConnection(username, password);
  }

  public  UnpooledDataSource();
  public  UnpooledDataSource(String driver, String url, String username, String password);
  public  UnpooledDataSource(String driver, String url, Properties driverProperties);
  public  UnpooledDataSource(ClassLoader driverClassLoader, String driver, String url, String username, String password);
  public  UnpooledDataSource(ClassLoader driverClassLoader, String driver, String url, Properties driverProperties);

}