100644 blob c981e7642efbf2f9d6dfacd9b6a13d97ba1e4029	BUILD.gn
040000 tree aa47e6b9e8bf0e619d727cb3fcb9df1452c5e4c4	arch
040000 tree 8ac0a1d87be1823e11271cbc3b8e839b03847cc7	common
040000 tree 238fb4899bc177dd8181b0b1d11ebbcdd4e60877	primary_only
040000 tree c5200a5141d593a8c79314b0c5a342f6b9b93f7d	primary_with_secondaries