code: def forward(ctx, x: NestedTensor):  # type: ignore[override]
      ctx.save_for_backward(x.offsets())
      ctx.metadata_cache = x._metadata_cache
      ctx.ragged_idx = x._ragged_idx
      return x.values()
  
imports: from typing import Tuple
  import torch
  from torch._C import DispatchKey, DispatchKeySet
  from torch._prims_common import is_expandable_to
  from torch.fx.experimental.symbolic_shapes import has_free_symbols
  from torch.utils.weak import WeakTensorKeyDictionary
  from typing import *
label_desc: Use image node_id 1 for calling the ViewBufferFromNested obj's underlying member method code with example usage: obj.forward(ctx, x) and returns: x