code: def embedding_layer(self):
      raise NotImplementedError(
          "`embedding_layer` property needs to be implemented by inheriting classes"
      )
  
imports: import warnings
  from abc import ABCMeta, abstractmethod
  from typing import Dict, Optional
  import pytorch_lightning
  import torch
  import torch.nn
  from omegaconf import DictConfig, OmegaConf
  from pytorch_tabular.models.base_model import _create_optimizer
  from pytorch_tabular.utils import get_logger, getattr_nested, reset_all_weights
label_desc: Use image node_id 4 for calling the SSLBaseModel obj's underlying member method code with example usage: obj.embedding_layer() without return types