@Override
    public DseCluster getCluster(String hostsAndPorts, String username, String password) {
        return getCluster(hostsAndPorts, username, password, null);
    }
@Override
    public DseCluster getCluster(String hostsAndPorts, String username, String password) {
        return getCluster(hostsAndPorts, username, password, null);
    }
@ Override public DseCluster getCluster ( String hostsAndPorts , String username , String password ) { return getCluster ( hostsAndPorts , username , password , null ) ; }
{@inheritDoc}
{