docstr: 3 reserved keys: 'train', 'val' (optional), 'test'.
  Represent the split of dataset.
docstr_tok: ["3","reserved","keys",":","'train","'",",","'val","'","(","optional",")",",","'test","'",".","Represent","the","split","of","dataset","."]
code: def raw_file_names(self):
      """
      3 reserved keys: 'train', 'val' (optional), 'test'.
      Represent the split of dataset.
      """
      return {
          "train": "e1rel_to_e2_train.json",
          "val": "e1rel_to_e2_ranking_dev.json",
          "test": "e1rel_to_e2_ranking_test.json",
      }
  
imports: from graph4nlp.pytorch.data.dataset import KGCompletionDataset
label_desc: Use image node_id 2 for calling the KinshipDataset obj's underlying member method code with example usage: obj.raw_file_names() and returns: dict