100644 blob c981e7642efbf2f9d6dfacd9b6a13d97ba1e4029	BUILD.gn
040000 tree bb01dd21a33d1f210380a2f8c4ed20bfb99d4b15	arch
040000 tree 8ac0a1d87be1823e11271cbc3b8e839b03847cc7	common
040000 tree cb7ce7eb9e55f2a6ccecc40627411c39410b33de	primary_only
040000 tree 3e2b60602a105a0e9dace2ca9313af130872aaa3	primary_with_secondaries