docs: public List<CommandInterceptor> asList() {
        ArrayList<CommandInterceptor> list =
              new ArrayList<>(asyncInterceptorChain.getInterceptors().size());
        asyncInterceptorChain.getInterceptors().forEach(ci -> {
           if (ci instanceof CommandInterceptor) {
              list.add((CommandInterceptor) ci);
           }
        });
        return list;
     }