100644 blob c981e7642efbf2f9d6dfacd9b6a13d97ba1e4029	BUILD.gn
040000 tree 11595807e0b6d83e15d58b0524b7ca697a9e53f1	arch
040000 tree 3b3e18a2885ddbf0ca6ac0a93124961aaa5311d3	common
040000 tree 55127d52918b31486787eae5fbb200a20e34aa5c	primary_only
040000 tree 7a21144d376433d0170b368d9cbd0f8e8214fc7c	primary_with_secondaries