code: public Pager<User> getActiveUsers(int itemsPerPage) throws GitLabApiException {
          GitLabApiForm formData = createGitLabApiForm().withParam("active", true);
          return (new Pager<User>(this, User.class, itemsPerPage, formData.asMap(), "users"));
      }
docs: Get a Pager of active users.
  
  <pre><code>GitLab Endpoint: GET /users?active=true</code></pre>
  
  @param itemsPerPage the number of active User instances that will be fetched per page
  @return a Pager of active User
  @throws GitLabApiException if any exception occurs