# Functions
NewNetworkServiceEndpointRegistryClient - returns a new null client that does nothing but call next.NetworkServiceEndpointRegistryClient(ctx).
NewNetworkServiceEndpointRegistryServer - returns a new null server that does nothing but call next.NetworkServiceEndpointRegistryServer(ctx).
NewNetworkServiceRegistryClient - returns a new null server that does nothing but call next.NetworkServiceRegistryClient(ctx).
NewNetworkServiceRegistryServer - returns a new null server that does nothing but call next.NetworkServiceRegistryServer(ctx).