100644 blob 1cc5c2d9bab238a19de82f6ec20a06da827dfc0a	optional.h
040000 tree 6a2441ac1e47a8242d1e645663f32da17e5e4df8	strings
040000 tree 59bb6303dab514fd9976d87a320ce5b355f0aa54	third_party