code: def test_dict_inputs_outputs(self):
      input_foo = keras.Input((2,), name="foo")
      input_bar = keras.Input((2,), name="bar")
      dense = keras.layers.Dense(1)
      output_foo = dense(input_foo)
      output_bar = dense(input_bar)
      model = keras.Model(
          {"foo": input_foo, "bar": input_bar},
          {"foo": output_foo, "bar": output_bar},
      )
      _, new_model, _ = self.roundtrip(model)
      original_output = model(
          {"foo": np.zeros((2, 2)), "bar": np.zeros((2, 2))}
      )
      restored_output = model(
          {"foo": np.zeros((2, 2)), "bar": np.zeros((2, 2))}
      )
      self.assertAllClose(
          original_output["foo"], restored_output["foo"]
      )
      self.assertAllClose(
          original_output["bar"], restored_output["bar"]
      )
  
imports: import json
  import numpy
  import pytest
  import keras
  from keras import ops
  from keras import testing
  from keras.saving import serialization_lib
label_desc: Use image node_id 8 for calling the SerializationLibTest obj's underlying member method code with example usage: obj.test_dict_inputs_outputs() without return types