code: def infer_shape(self, in_shapes):
      data_shape = in_shapes[0]
      bin_shape = in_shapes[1]
      output_shape = data_shape
      return (data_shape, bin_shape), (output_shape,), ()
  
file_path: gluonts/src/gluonts/mx/representation/binning_helpers.py
imports: import mxnet
  import numpy
label_desc: Use image node_id 4 for calling the DigitizeProp obj's underlying member method code with example usage: obj.infer_shape(in_shapes) and returns: data_shape,  bin_shape,  output_shape,  