class_docstr: A wrapper of feature data for access.
docstr: Read from the feature.
  
  Parameters
  ----------
  ids : torch.Tensor, optional
      The index of the feature. If specified, only the specified indices
      of the feature are read. If None, the entire feature is returned.
  Returns
  -------
  torch.Tensor
      The read feature.
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code: def read(self, ids: torch.Tensor = None):
      """Read from the feature.
  
      Parameters
      ----------
      ids : torch.Tensor, optional
          The index of the feature. If specified, only the specified indices
          of the feature are read. If None, the entire feature is returned.
      Returns
      -------
      torch.Tensor
          The read feature.
      """
      raise NotImplementedError
  
file_path: dgl/python/dgl/graphbolt/feature_store.py
imports: import torch
label_desc: Use image node_id 2 for calling the Feature obj's underlying member method code with example usage: obj.read(ids) without return types