code: public void addContextLifecycleListeners(
  			LifecycleListener... contextLifecycleListeners) {
  		Assert.notNull(contextLifecycleListeners,
  				"ContextLifecycleListeners must not be null");
  		this.contextLifecycleListeners.addAll(Arrays.asList(contextLifecycleListeners));
  	}
docs: Add {@link LifecycleListener}s that should be added to the Tomcat {@link Context}.
  @param contextLifecycleListeners the listeners to add