console.log({ batchSize: batch.length });

    // console.log({ batchSize: batch.length });

    console.log({ batchSize: batch.length });

    // console.log({ batchSize: batch.length });

      console.log({ fired: batch.length });

      // console.log({ fired: batch.length });

    console.log('chunk component upsert children');
    // .clone() is SLOW!!! for now, let's not track children to delete
    // let childrenToDelete = new KeyedHashMap<PointNodeRef, PointNodeComponent>();

      }
      for (let [childKey, childComponent] of childrenToDelete.entries()) {
        childComponent.willUnmount();
        this.children.remove(childKey);
        this.container.removeChild(childComponent.container);

      // for (let [childKey, childComponent] of childrenToDelete.entries()) {
      //   console.log('chunk component todelete iteration');
      //   childComponent.willUnmount();
      //   this.children.remove(childKey);
      //   this.container.removeChild(childComponent.container);
      // }

    // console.log(`i have ${this.children.size()} children`)

    console.log(`zlevel component have ${this.children.size()} children`)

    console.log(`zlevel component have ${childrenToDelete.size()} children to delete`)