text: import { abstract } from 'ol/util.js';
  
  class ExecutorGroup {
    getExecutor (zIndex, replayType) {
      return abstract();
    }
  
    isEmpty () {
      return abstract();
    }
  
    getMaxExtent () {
      return abstract();
    }
  
    addDeclutter (group) {
      return abstract();
    }
  }
  
  export default ExecutorGroup;
  