code: protected <T> boolean tryToWire(Class<T> type) {
  		boolean success = false;
  		String className = type.getName();
  		Map<String, T> map = getApplicationConfig().applicationContext().getBeansOfType(type);
  		if (logger.isDebugEnabled()) {
  			logger.debug("Search for '" + className + "' found: " + map);
  		}
  
  		if (map.size() == 1) {
  			// Got one - wire it in
  			Map.Entry entry = map.entrySet().iterator().next();
  			String name = (String) entry.getKey();
  			AuthenticationManager am = (AuthenticationManager) entry.getValue();
  
  			setAuthenticationManager(am);
  			success = true;
  
  			if (logger.isInfoEnabled()) {
  				logger.info("Auto-configuration using '" + name
  						+ "' as authenticationManager");
  			}
  		} else if (map.size() > 1) {
  			if (logger.isInfoEnabled()) {
  				logger.info("Need a single '" + className + "', found: "
  						+ map.keySet());
  			}
  		} else {
  			// Size 0, no potentials
  			if (logger.isInfoEnabled()) {
  				logger.info("Auto-configuration did not find a suitable authenticationManager of type "
  						+ type);
  			}
  		}
  
  		return success;
  	}
docs: Try to locate and "wire in" a suitable authentication manager.
  
  @param type
  The type of bean to look for
  @return true if we found and wired a suitable bean