code: def prod(self, g, v):
      # We could define this just fine, but we don't expect to ever be able to compute the input `g`, so we should
      # never get here.
      raise RuntimeError(
          "Adjoint `prod` not defined. Please report a bug to torchsde."
      )
  
imports: import torch
  from .None import base_sde
  from .None import misc
  from ..settings import NOISE_TYPES, SDE_TYPES
  from ..types import Sequence, TensorOrTensors
label_desc: Use image node_id 12 for calling the AdjointSDE obj's underlying member method code with example usage: obj.prod(g, v) without return types