/**
  * List starred repo by specified user by page
  *
  * @param username
  * @param pageCount
  * @param perPageCount
  * @param callback
  */
 public void listStarRepoByUser(
     String username, int pageCount, int perPageCount, ApiCallback<List<Repo>> callback) {
   mGithubApi.listStarredRepoByUser(
       username, String.valueOf(pageCount), String.valueOf(perPageCount), callback);
 }
 /**
  * List starred repo by specified user
  *
  * @param username
  * @param callback
  */
 public void listStarRepoByUser(String username, ApiCallback<List<Repo>> callback) {
   mGithubApi.listStarredRepoByUser(username, null, null, callback);
 }