[clang] [APINotes] Parse function-like Where.Parameters (PR #203227)

[Egor Zhdan via cfe-commits]

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@@ -338,8 +338,15 @@ template <> struct MappingTraits<Class> {
 } // namespace llvm
 
 namespace {
+typedef std::vector<StringRef> WhereParamsSeq;
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egorzhdan wrote:

Similar type definitions in the rest of this file are using `typedef`, so I would use it here too for consistency. I don't feel strongly about it though,

https://github.com/llvm/llvm-project/pull/203227