code: def sharded_data_tensor(self):
      return self._sharded_data_tensor
  
file_path: colossalai/colossalai/legacy/zero/sharded_param/sharded_param.py
imports: from typing import List, Optional, Tuple
  import torch
  from colossalai.legacy.zero.gemini.stateful_tensor import StatefulTensor, TensorState
  from colossalai.legacy.zero.gemini.tensor_utils import colo_tensor_mem_usage
  from .sharded_tensor import ShardedTensor
label_desc: Use image node_id 5 for calling the ShardedParamV2 obj's underlying member method code with example usage: obj.sharded_data_tensor() and returns: self