class_docstr: This class is almost the same as official pycocotools package.
  
  It implements some snake case function aliases. So that the COCO class has
  the same interface as LVIS class.
class_docstr_tok: ["This","class","is","almost","the","same","as","official","pycocotools","package",".","It","implements","some","snake","case","function","aliases",".","So","that","the","COCO","class","has","the","same","interface","as","LVIS","class","."]
code: def get_img_ids(self, img_ids=[], cat_ids=[]):
      return self.getImgIds(img_ids, cat_ids)
  
file_path: mmdetection/projects/EfficientDet/efficientdet/tensorflow/api_wrappers/coco_api.py
imports: import warnings
  from collections import defaultdict
  from typing import List, Optional, Union
  import pycocotools
  from pycocotools.coco import COCO
  from pycocotools.cocoeval import COCOeval
label_desc: Use image node_id 4 for calling the COCO obj's underlying member method code with example usage: obj.get_img_ids(img_ids, cat_ids) and returns: self