Fuzztest uses internal re2 headers about fuzztest HOT 6 OPEN

It's also not part of the hdrs of re2: https://github.com/google/re2/blob/2022-06-01/BUILD#L30
Why doesn't it trigger a sandbox violation?

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The Bazel layering_check finds it, too:

bazel build --features=layering_check //...
...
external/com_google_fuzztest/fuzztest/internal/regexp.cc:32:10: error: use of private header from outside its module: 're2/prog.h' [-Wprivate-header]
#include "re2/prog.h"
         ^
external/com_google_fuzztest/fuzztest/internal/regexp.cc:33:10: error: use of private header from outside its module: 're2/regexp.h' [-Wprivate-header]
#include "re2/regexp.h"

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Hey Gregor, thanks for pointing this out. We're working on a solution with the RE2 team, and will resolve this as soon as they release a public API with similar functionality.

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I'm running in the same error trying to use FuzzTest with Bazel. Any status updates?
As-is, the tutorial is broken.

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Thanks! Previously we were hoping we could make this API public in RE2, but we dropped that idea.

As an alternative hack, could we add a patch to the re2 http_archive, that moves re2/prog.h to hdrs?

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I'm working on a Conan package for fuzztest and this came up. Without a proper fix, our best bet is to include the extra headers in the re2 package, which is less than ideal.

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