code: public BoxRequestsBookmark.GetBookmarkComments getCommentsRequest(String id) {
          BoxRequestsBookmark.GetBookmarkComments request = new BoxRequestsBookmark.GetBookmarkComments(id, getBookmarkCommentsUrl(id), mSession);
          return request;
      }
docs: Gets a request that retrieves the comments on a bookmark
  
  @param id    id of the bookmark to retrieve comments for
  @return  request to retrieve comments on a bookmark