code: def forward(self, X):
      pass
  
file_path: botorch/test/acquisition/test_decoupled.py
imports: import warnings
  import torch
  from botorch import settings
  from botorch.acquisition.decoupled import DecoupledAcquisitionFunction
  from botorch.exceptions import BotorchTensorDimensionError, BotorchWarning
  from botorch.logging import shape_to_str
  from botorch.models import ModelListGP, SingleTaskGP
  from botorch.utils.testing import BotorchTestCase
label_desc: Use image node_id 1 for calling the DummyDecoupledAcquisitionFunction obj's underlying member method code with example usage: obj.forward(X) without return types