code: @SuppressWarnings("unchecked")
  	public T add(Link... links) {
  
  		Assert.notNull(links, "Given links must not be null!");
  
  		add(Arrays.asList(links));
  
  		return (T) this;
  	}
docs: Adds all given {@link Link}s to the resource.
  
  @param links must not be {@literal null}.