text: goog.declareModuleId('os.layer.LayerClass');
  
  /**
   * Layer class names used with os.registerClass and os.instanceOf.
   * @enum {string}
   */
  const LayerClass = {
    GROUP: 'os.layer.LayerGroup',
    TILE: 'os.layer.Tile',
    VECTOR: 'os.layer.Vector'
  };
  
  export default LayerClass;
  