code: def register_datasets(json_catalog_path):
      """
      If the json dataset_catalog file is found, we register
      the datasets specified in the catalog with VISSL.
      If the catalog also specified VOC or coco datasets, we resister them
  
      Args:
          json_catalog_path (str): the path to the json dataset catalog
      """
      if g_pathmgr.exists(json_catalog_path):
          logging.info(f"Registering datasets: {json_catalog_path}")
          VisslDatasetCatalog.clear()
          VisslDatasetCatalog.register_json(json_catalog_path)
      if VisslDatasetCatalog.has_data(
          "voc2007_folder"
      ) or VisslDatasetCatalog.has_data("voc2012_folder"):
          register_pascal_voc()
      if VisslDatasetCatalog.has_data("coco2014_folder"):
          register_coco()
  
imports: import json
  import logging
  import os
  from typing import List
  import numpy
  from iopath.common.file_io import g_pathmgr
  from vissl.data.datasets import get_coco_imgs_labels_info, get_voc_images_labels_info
  from vissl.utils.misc import get_json_data_catalog_file
  from vissl.utils.slurm import get_slurm_dir
label_desc: Use image node_id 6 for calling a global function with example usage: register_datasets(json_catalog_path) without return types