code: public NotificationSettings getGlobalNotificationSettings() throws GitLabApiException {
          Response response = get(Response.Status.OK, null, "notification_settings");
          return (response.readEntity(NotificationSettings.class));
      }
docs: Get the global notification settings.
  
  <pre><code>GitLab Endpoint: GET /notification_settings</code></pre>
  
  @return a NotificationSettings instance containing the global notification settings
  @throws GitLabApiException if any exception occurs