code: def is_directed(cls) -> bool:
      return True
  
file_path: cugraph/python/nx-cugraph/nx_cugraph/classes/multidigraph.py
imports: from __future__ import annotations
  import networkx
  import nx_cugraph
  from .digraph import DiGraph
  from .multigraph import MultiGraph
label_desc: Use image node_id 1 for calling the MultiDiGraph obj's underlying member method code with example usage: obj.is_directed(cls) and returns: True