@Get("/blogs/:id")
    public HttpResponse getBlogPost(@Param int id) {
        final BlogPost blogPost = blogPosts.get(id);
        return HttpResponse.ofJson(blogPost);
    }
Retrieves a {@link BlogPost} whose {@link BlogPost#getId()} is the {@code :id} in the path parameter.
examples/tutorials/rest-api-annotated-service/src/main/java/example/armeria/server/blog/BlogService.java