code: def forward(self, *args, **kwargs):
      """"""
      raise NotImplementedError
  
imports: from typing import Optional, Callable
  import torch
  from torch import Tensor
  from torch.cuda import Stream
  from dig_ext.sync import synchronize, read_async, write_async
label_desc: Use image node_id 13 for calling the AsyncIOPool obj's underlying member method code with example usage: obj.forward() without return types