[clang-tools-extra] [clang-tidy] support query based custom check (PR #131804)

[Baranov Victor via cfe-commits]

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@@ -53,6 +53,11 @@ LLVM_INSTANTIATE_REGISTRY(clang::tidy::ClangTidyModuleRegistry)
 
 namespace clang::tidy {
 
+namespace custom {
+extern void registerCustomChecks(ClangTidyOptions const &O,
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vbvictor wrote:

```suggestion
extern void registerCustomChecks(const ClangTidyOptions &O,
```

https://github.com/llvm/llvm-project/pull/131804