feat(auth): implement regional access boundary support for standalone JWT and async service accounts#17025

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nbayati wants to merge 10 commits into

googleapis:mainfrom

nbayati:rab-support-async-sa-jwt

Commits on May 8, 2026

feat: add async support for RAB to ServiceAccountCredentials and implement async refresh manager
nbayati
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Add unit tests for the async RAB implementation.
nbayati
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fix async unit tests
nbayati
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Update unit tests to accept both mtls and standard allowedLocations endpoint.
nbayati
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test: verify iam endpoint constant resolution in mTLS environments
nbayati
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refactor: introduce _after_refresh hook in Credentials base class to support Regional Access Boundary logic
nbayati
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add __setstate__ to the base RAB class for backward compatibility
nbayati
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Implement RAB support for jwt credentials
nbayati
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Commits on May 11, 2026