code: def domain_map(  # type: ignore
      cls,
      hidden_state: torch.Tensor,
  ) -> Tuple:
      # A null function to be called by ArgProj
      return ()
  
imports: from typing import Dict, List, Optional, Tuple, cast
  import torch
  from torch.distributions import AffineTransform, TransformedDistribution
  from torch.distributions.normal import Normal
  from gluonts.core.component import validated
  from gluonts.itertools import prod
  from gluonts.torch.distributions import DistributionOutput
  from gluonts.torch.model.mqf2.module import PICNN
label_desc: Use image node_id 2 for calling the MQF2DistributionOutput obj's underlying member method code with example usage: obj.domain_map(cls, hidden_state) and returns: 