class_docstr: Load mutiple types of annotations.
  
  Args:
      with_bbox (bool): Whether to parse and load the bbox annotation.
           Default: True.
      with_label (bool): Whether to parse and load the label annotation.
          Default: True.
      with_keypoints (bool): Whether to parse and load the keypoints annotation.
          Default: False.
      with_mask (bool): Whether to parse and load the mask annotation.
           Default: False.
      with_seg (bool): Whether to parse and load the semantic segmentation
          annotation. Default: False.
      poly2mask (bool): Whether to convert the instance masks from polygons
          to bitmaps. Default: True.
      file_client_args (dict): Arguments to instantiate a FileClient.
          See :class:`mmcv.fileio.FileClient` for details.
          Defaults to ``dict(backend='disk')``.
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docstr: Private function to load bounding box annotations.
  
  Args:
      results (dict): Result dict from :obj:`mmdet.CustomDataset`.
  
  Returns:
      dict: The dict contains loaded bounding box annotations.
docstr_tok: ["Private","function","to","load","bounding","box","annotations",".","Args",":","results","(","dict",")",":","Result","dict","from",":","obj",":","`","mmdet.CustomDataset","`",".","Returns",":","dict",":","The","dict","contains","loaded","bounding","box","annotations","."]
code: def _load_keypoints(self, results):
      """Private function to load bounding box annotations.
  
      Args:
          results (dict): Result dict from :obj:`mmdet.CustomDataset`.
  
      Returns:
          dict: The dict contains loaded bounding box annotations.
      """
  
      ann_info = results["ann_info"]
      results["gt_keypointss"] = ann_info["keypointss"].copy()
  
      results["keypoints_fields"] = ["gt_keypointss"]
      return results
  
imports: import os.path
  import mmcv
  import numpy
  import pycocotools.mask
  from mmdet.core import BitmapMasks, PolygonMasks
  from ..builder import PIPELINES
label_desc: Use image node_id 3 for calling the LoadAnnotations obj's underlying member method code with example usage: obj._load_keypoints(results) and returns: results