@NotNull
  public List<GitlabIssue> fetchIssues(int pageNumber, int pageSize, boolean openedOnly) throws Exception {
    ensureProjectsDiscovered();
    final URIBuilder uriBuilder = new URIBuilder(getIssuesUrl())
      .addParameter("page", String.valueOf(pageNumber))
      .addParameter("per_page", String.valueOf(pageSize))
      // Ordering was added in v7.8
      .addParameter("order_by", "updated_at");
    if (openedOnly) {
      // Filtering by state was added in v7.3
      uriBuilder.addParameter("state", "opened");
    }
    final ResponseHandler<List<GitlabIssue>> handler = new GsonMultipleObjectsDeserializer<>(GSON, LIST_OF_ISSUES_TYPE);
    return getHttpClient().execute(new HttpGet(uriBuilder.build()), handler);
  }
@NotNull
  public List<GitlabIssue> fetchIssues(int pageNumber, int pageSize, boolean openedOnly)