code: def outputs(self) -> Mapping[str, Mapping[int, str]]:
      if self.use_past:
          return OrderedDict(
              [
                  ("last_hidden_state", {0: "batch", 1: "sequence"}),
                  ("past_keys", {0: "batch", 2: "sequence"}),
                  (
                      "encoder_last_hidden_state",
                      {0: "batch", 1: "sequence"},
                  ),
              ]
          )
      else:
          return OrderedDict(
              [
                  ("last_hidden_state", {0: "batch", 1: "sequence"}),
                  (
                      "encoder_last_hidden_state",
                      {0: "batch", 1: "sequence"},
                  ),
              ]
          )
  
file_path: transformers/src/transformers/models/plbart/configuration_plbart.py
imports: from collections import OrderedDict
  from typing import Mapping
  from ...configuration_utils import PretrainedConfig
  from ...onnx import OnnxConfigWithPast
  from ...utils import logging
label_desc: Use image node_id 2 for calling the PLBartOnnxConfig obj's underlying member method code with example usage: obj.outputs() and returns: OrderedDict, OrderedDict