@@ -, +, @@ 
 * Provides username parsing from logs for the AccessLog Sampler, overrides AuthManager with one
 * that uses the username from the log (or no auth if it is "-") and a single password from the property "skeleton.password"
 * @author ej
 */
  private static final long serialVersionUID = -480275799056489612L;
  private static final Logger log = LoggingManager.getLoggerForClass();
  
  private static final AuthManager NULL_AUTH_MANAGER = new SkeletonAuthManager();
  
  private static final String SKELETON_PASSWORD = 
  	JMeterUtils.getPropDefault("skeleton.password", "skeleton");
  private static final String USERNAME_REGEX = 
  	JMeterUtils.getPropDefault("skeleton.username.regexp", "^\\S+ - (\\S+)");
  private static boolean first = true;
  
  public SkeletonAuthorizationFilter()
  {
  }
  
  public Object clone()
  {
  	// no state, nothing to clone
  	return new SkeletonAuthorizationFilter();
  }
  
  protected String getUser(String logLine)
  {
  }