code: public static ComponentManager getInstance() throws SshException {
  		synchronized (ComponentManager.class) {
  			if (instance == null) {
  				instance = new JCEComponentManager();
  				instance.init();
  			}
  			return instance;
  		}
  	}
docs: Get the installed component manager. Don't want to initialize this at
  class load time, so use a singleton instead. Initialized on the first
  call to getInstance.
  
  @return ComponentManager
  @throws SshException