[Mlir-commits] [mlir] [mlir-lsp] Parse outgoing request callback JSON (PR #90693)

[River Riddle]

================
@@ -213,7 +230,10 @@ class MessageHandler {
 
   /// A pair of (1) the original request's method name, and (2) the callback
   /// function to be invoked for responses.
-  using ResponseHandlerTy = std::pair<std::string, OutgoingRequestCallback>;
+  using ResponseHandlerTy =
+      std::pair<std::string,
+                std::function<void(llvm::json::Value,
+                                   llvm::Expected<llvm::json::Value>)>>;
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River707 wrote:

```suggestion
      std::pair<std::string, OutgoingRequestCallback<llvm::json::Value>>;
```

https://github.com/llvm/llvm-project/pull/90693