code: def _create_etcd_v2_handler(
      params: RendezvousParameters,
  ) -> RendezvousHandler:
      from .etcd_rendezvous_backend import create_backend
  
      backend, store = create_backend(params)
  
      return create_handler(store, backend, params)
  
file_path: pytorch/torch/distributed/elastic/rendezvous/registry.py
imports: from .api import RendezvousHandler, RendezvousParameters
  from .api import rendezvous_handler_registry
  from .dynamic_rendezvous import create_handler
label_desc: Use image node_id 3 for calling a global function with example usage: _create_etcd_v2_handler(params) and returns: create_handler