class_docstr: A basic feature store to manage multiple features for access.
class_docstr_tok: ["A","basic","feature","store","to","manage","multiple","features","for","access","."]
docstr: Get the keys of the features.
  
  Returns
  -------
  List[tuple]
      The keys of the features. The tuples are in `(domain, type_name,
      feat_name)` format.
docstr_tok: ["Get","the","keys","of","the","features",".","Returns","--","--","--","-","List","[","tuple","]","The","keys","of","the","features",".","The","tuples","are","in","`","(","domain",",","type_name",",","feat_name",")","`","format","."]
code: def keys(self):
      """Get the keys of the features.
  
      Returns
      -------
      List[tuple]
          The keys of the features. The tuples are in `(domain, type_name,
          feat_name)` format.
      """
      return list(self._features.keys())
  
file_path: dgl/python/dgl/graphbolt/impl/basic_feature_store.py
imports: from typing import Dict, Tuple
  import torch
  from ..feature_store import Feature, FeatureStore
label_desc: Use image node_id 7 for calling the BasicFeatureStore obj's underlying member method code with example usage: obj.keys() and returns: list