docs: def get_plugin(cls, name: str) -> Type[ConnectionPlugin]:
          """Fetches the connection plugin by name if already registered
  
          Args:
              name: name of the connection plugin
  
          Raises:
              :obj:`nornir.core.exceptions.ConnectionPluginNotRegistered`
          """
          if name not in cls.available:
              raise ConnectionPluginNotRegistered(
                  f"Connection {name!r} is not registered"
              )
          return cls.available[name]