code: public ContextUserAuthManager getContextUserAuthManager(int contextId) {
  		ContextUserAuthManager manager = contextManagers.get(contextId);
  		if (manager == null) {
  			manager = new ContextUserAuthManager(contextId);
  			contextManagers.put(contextId, manager);
  		}
  		return manager;
  	}
docs: Gets the context user auth manager for a given context.
  
  @param contextId the context id
  @return the context user auth manager