text: // Define an empty object to store callbacks that are used to apply custom viewport settings
  // after a viewport is rendered.
  const CustomViewportSettings = {};
  
  /**
   * Adds a custom setting that can be chosen in the HangingProtocol UI and applied to a Viewport
   *
   * @param settingId The ID used to refer to the setting (e.g. 'displayCADMarkers')
   * @param settingName The name of the setting to be displayed (e.g. 'Display CAD Markers')
   * @param options
   * @param callback A function to be run after a viewport is rendered with a series
   */
  function addCustomViewportSetting(settingId, settingName, options, callback) {
    CustomViewportSettings[settingId] = {
      id: settingId,
      text: settingName,
      options: options,
      callback: callback,
    };
  }
  
  export { CustomViewportSettings, addCustomViewportSetting };
  