code: protected IgnoreSpec ignore(String ... ignores){
          IgnoreSpec spec = new IgnoreSpec(ignores);
          ignoreSpecs.add(spec);
          return spec;
      }
docs: Use to ignore requests. Usually you want to ignore requests for static content, such as css files, images. etc.
  The order of this method compared to route() methods is irrelevant,
  
  @param ignores list of regular expressions matching the URI. If an expression matches the request URI, such request ill be ignored
  by the framework. It will be processed by container.
  @return instance of IgnoreSpec