slble-attend/sl.ble_sys-attend/src-js/components/MapEditor/imageLayerEx.js

import * as maptalks from 'maptalks'

class ImageLayerEx extends maptalks.ImageLayer {
  constructor(id, images, options) {
    super(id, images, options)
    this.setId(id)
  }

  toJSON() {

  }
}

ImageLayerEx.registerJSONType('ImageLayerEx')

export default ImageLayerEx