code: def forward(self, X):
      raise NotImplementedError
  
imports: import torch
  from botorch.acquisition.acquisition import AcquisitionFunction, MCSamplerMixin, MultiModelAcquisitionFunction, OneShotAcquisitionFunction
  from botorch.models.model import ModelDict
  from botorch.sampling.normal import IIDNormalSampler
  from botorch.sampling.stochastic_samplers import StochasticSampler
  from botorch.utils.testing import BotorchTestCase, MockModel, MockPosterior
label_desc: Use image node_id 1 for calling the DummyMultiModelAcqf obj's underlying member method code with example usage: obj.forward(X) without return types