**public** **interface** **GitHubService** **{** @GET**(**"/repos/{owner}/{repo}/contributors"**)** List**<**Contributor**>** **contributors(** @Path**(**"owner"**)** String owner**,** @Path**(**"repo"**)** String repo **);** **}** List**<**Contributor**>** contributors **=** github**. **contributors**(**"square"**,** "okhttp"**);** **for** **(**Contributor contributor **:** contributors**)** **{** log**(**contributor**.