code: def get_known_services():
      
      if not hasattr(get_known_services, "cache"):
          setattr(
              get_known_services,
              "cache",
              {
                  e.name: e.load()
                  for e in pkg_resources.iter_entry_points("workflows.services")
              },
          )
      register = get_known_services.cache.copy()
      return register
docs: Return a dictionary of all known services.
      :return: A dictionary containing entries { service name : service class }
  
      Future: This will change to a dictionary containing references to
              factories:               { service name : service class factory }
              A factory is a function that takes no arguments and returns an
              uninstantiated service class. This will avoid importing all
              service classes.