src/main/java/com/github/ddth/cql/DseSessionManager.java
@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}