code: def supported_targets(self):
      return {"self"}
  
imports: import logging
  from typing import Optional
  import torch
  import torch.nn
  from fairseq import utils
  from fairseq.models import register_model, register_model_architecture
  from fairseq.models.transformer import TransformerModel
  from fairseq.modules.transformer_sentence_encoder import init_bert_params
  from .hub_interface import BARTHubInterface
label_desc: Use image node_id 4 for calling the BARTModel obj's underlying member method code with example usage: obj.supported_targets() and returns: unknown