class_docstr: This class implements the :class:`torch_geometric.data.GraphStore`
  interface to act as a local graph store for distributed training.
code: def get_all_edge_attrs(self) -> List[EdgeAttr]:
      return [self._edge_attr[key] for key in self._edge_index.keys()]
  
imports: import json
  import os.path
  from typing import Any, Dict, List, Optional, Tuple, Union
  import torch
  from torch import Tensor
  from torch_geometric.data import EdgeAttr, GraphStore
  from torch_geometric.typing import EdgeTensorType, EdgeType, NodeType
  from torch_geometric.utils import sort_edge_index
label_desc: Use image node_id 11 for calling the LocalGraphStore obj's underlying member method code with example usage: obj.get_all_edge_attrs() and returns: unknown