class_docstr: Property of BBoxClipToImage custom Op.
  
  Parameters
  ----------
  axis : int
      The coordinate axis with length 4.
code: def create_operator(self, ctx, in_shapes, in_dtypes):
      return BBoxClipToImage(self.axis)
  
file_path: gluon-cv/gluoncv/model_zoo/rcnn/rpn/bbox_clip.py
imports: import mxnet
label_desc: Use image node_id 6 for calling the BBoxClipToImageProp obj's underlying member method code with example usage: obj.create_operator(ctx, in_shapes, in_dtypes) and returns: BBoxClipToImage