+-- | Matches if the message is a response.
+anyResponse :: Session FromServerMessage
+anyResponse = named "Any response" $ satisfy $ \case
+ FromServerMess _ _ -> False
+ FromServerRsp _ _ -> True
+
+-- | Matches a response for a specific id.
+responseForId :: LspId (m :: Method FromClient Request) -> Session (ResponseMessage m)
+responseForId lid = named (T.pack $ "Response for id: " ++ show lid) $ do
+ satisfyMaybe $ \msg -> do
+ case msg of
+ FromServerMess _ _ -> Nothing
+ FromServerRsp m rsp -> undefined -- TODO
+
+-- | Matches any type of message.
+anyMessage :: Session FromServerMessage
+anyMessage = satisfy (const True)