code: public JSONObject browse(int page, int hitsPerPage) throws AlgoliaException {
      return this.browse(page, hitsPerPage, RequestOptions.empty);
    }
docs: Browse all index content
  
  @param page        Pagination parameter used to select the page to retrieve.
  Page is zero-based and defaults to 0. Thus, to retrieve the 10th page you need to set page=9
  @param hitsPerPage Pagination parameter used to select the number of hits per page. Defaults to 1000.