https://chromium.googlesource.com/chromiumos/platform2/+/572b0f7777f23be66d7d9cb459dd326d350cf76d
572b0f7777f23be66d7d9cb459dd326d350cf76d - chromiumos/platform2 - Git at Google
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https://www.chromium.org/chromium-os/developer-library/guides/development/platform2-primer/
Getting started with platform2
getting started