class_docstr: Property of BBoxClipToImage custom Op.
  
  Parameters
  ----------
  axis : int
      The coordinate axis with length 4.
code: def infer_type(self, in_type):
      return [in_type[0], in_type[0]], [in_type[0]], []
  
file_path: gluon-cv/gluoncv/model_zoo/rcnn/rpn/bbox_clip.py
imports: import mxnet
label_desc: Use image node_id 5 for calling the BBoxClipToImageProp obj's underlying member method code with example usage: obj.infer_type(in_type) and returns: list,  list,  list