code: def _build_network(self):
      # Backbone
      self._backbone = TabTransformerBackbone(self.hparams)
      # Embedding Layer
      self._embedding_layer = self._backbone._build_embedding_layer()
      # Head
      self._head = self._get_head_from_config()
  
imports: from collections import OrderedDict
  from typing import Dict
  import torch
  import torch.nn
  from einops import rearrange
  from omegaconf import DictConfig
  from pytorch_tabular.models.common.layers.batch_norm import BatchNorm1d
  from ..base_model import BaseModel
  from ..common.layers import Embedding2dLayer, TransformerEncoderBlock
label_desc: Use image node_id 5 for calling the TabTransformerModel obj's underlying member method code with example usage: obj._build_network() without return types