code: def _internal_num_nodes(
      feature_store: FeatureStore,
      graph_store: GraphStore,
      query: EdgeType,
  ) -> Tuple[int, int]:
      pass
  
imports: from typing import Optional, Tuple, Union, overload
  from torch_geometric.data import FeatureStore, GraphStore
  from torch_geometric.typing import EdgeType, NodeType
label_desc: Use image node_id 2 for calling a global function with example usage: _internal_num_nodes(feature_store, graph_store, query) without return types