code: def _get_coco_instances_meta():
      thing_ids = [
          k["id"] for k in COCO_CATEGORIES if k["isthing"] == 1
      ]
      thing_colors = [
          k["color"] for k in COCO_CATEGORIES if k["isthing"] == 1
      ]
      assert len(thing_ids) == 80, len(thing_ids)
      # Mapping from the incontiguous COCO category id to an id in [0, 79]
      thing_dataset_id_to_contiguous_id = {
          k: i for i, k in enumerate(thing_ids)
      }
      thing_classes = [
          k["name"] for k in COCO_CATEGORIES if k["isthing"] == 1
      ]
      ret = {
          "thing_dataset_id_to_contiguous_id": thing_dataset_id_to_contiguous_id,
          "thing_classes": thing_classes,
          "thing_colors": thing_colors,
      }
      return ret
  
label_desc: Use image node_id 1 for calling a global function with example usage: _get_coco_instances_meta() and returns: ret