code: def setup(
      self,
      ctx: Context = None,
      agglayer_arg: Union[
          StdAggLayerArgument, FedPassArgument, SSHEArgument
      ] = None,
      bottom_arg=None,
  ):
      self._ctx = ctx
  
      if self._agg_layer is None:
          if agglayer_arg is None:
              self._agg_layer = AggLayerHost()
          elif type(agglayer_arg) == StdAggLayerArgument:
              self._agg_layer = (
                  AggLayerHost()
              )  # no parameters are needed
          elif type(agglayer_arg) == FedPassArgument:
              self._agg_layer = FedPassAggLayerHost(
                  **agglayer_arg.to_dict()
              )
          elif isinstance(agglayer_arg, SSHEArgument):
              self._agg_layer = SSHEAggLayerHost(
                  **agglayer_arg.to_dict()
              )
  
      self._agg_layer.set_context(ctx)
  
imports: import torch
  import torch
  from fate.arch import Context
  from fate.ml.nn.model_zoo.agg_layer.agg_layer import AggLayerGuest, AggLayerHost
  from fate.ml.nn.model_zoo.agg_layer.fedpass.agg_layer import FedPassAggLayerGuest, FedPassAggLayerHost, get_model
  from fate.ml.nn.model_zoo.agg_layer.sshe.agg_layer import SSHEAggLayerHost, SSHEAggLayerGuest
  from typing import Any, Dict, List, Union, Callable, Literal
  from dataclasses import dataclass, fields
  from enum import Enum
  import logging
  from torch import device
label_desc: Use image node_id 6 for calling the HeteroNNModelHost obj's underlying member method code with example usage: obj.setup(ctx, agglayer_arg, bottom_arg) without return types