code: def device_mesh(self) -> DeviceMesh:
      # simple aliasing for the mesh field, make some
      # checks that mixes DTensor/DTensorSpec easier
      return self.mesh
  
imports: from dataclasses import dataclass
  from typing import Any, cast, List, NamedTuple, Optional, Tuple
  import torch
  import torch.distributed._functional_collectives
  import torch.distributed.distributed_c10d
  from torch.distributed._tensor._collective_utils import mesh_broadcast, mesh_scatter
  from torch.distributed.device_mesh import DeviceMesh
label_desc: Use image node_id 11 for calling the DTensorSpec obj's underlying member method code with example usage: obj.device_mesh() and returns: self