code: def gp_params_scaling(
      self, F, past_target: Tensor, past_time_feat: Tensor
  ) -> tuple:
      raise NotImplementedError()
  
file_path: gluonts/src/gluonts/mx/kernels/_kernel_output.py
imports: from typing import Dict, Type
  import numpy
  from mxnet import gluon
  from gluonts.core.component import validated
  from gluonts.mx import Tensor
  from gluonts.mx.distribution.distribution_output import ArgProj
  from .None import Kernel
label_desc: Use image node_id 4 for calling the KernelOutputDict obj's underlying member method code with example usage: obj.gp_params_scaling(F, past_target, past_time_feat) without return types