code: def f_and_g(self, t, y):
      # Like g above, this is inefficient to compute.
      raise RuntimeError(
          "Adjoint `f_and_g` 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 11 for calling the AdjointSDE obj's underlying member method code with example usage: obj.f_and_g(t, y) without return types