040000 tree 154b30c877497ab71a936a0ce20b48d8f09fac36	1 basic
040000 tree d52acd9ef88b055d1606045a0d8680fb9d92279c	2 library versions
040000 tree 5872c09ab610f604d3beb2a6afe4adf1c19dcddb	3 has function xcode8
040000 tree b81091ce2a4f507184ac192b6bfeff0f87815bd3	4 framework