[clang] [BoundsSafety][APINotes] Upstream API notes format for bounds-safety function parameters (PR #185257)

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@@ -338,6 +338,71 @@ inline bool operator!=(const ContextInfo &LHS, const ContextInfo &RHS) {
   return !(LHS == RHS);
 }
 
+/// API notes for bounds safety annotations
+class BoundsSafetyInfo {
+public:
+  enum class BoundsSafetyKind {
+    CountedBy = 0,
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c8ef wrote:

Seems redundant. Removed.

https://github.com/llvm/llvm-project/pull/185257