040000 tree 2b1fabb7e1baec33b5584ae39c61c14bac41f0ec	range.access
040000 tree e2ea37a9a30f2e4ceb32748e6c7cd282b5d9ea4c	range.adaptors
040000 tree 0b041e72cdceeefff8bd6d6eadb35655d3c74935	range.factories
040000 tree e568445bbf587eb3051be013da57503db0fda2b9	range.req
040000 tree b94970272f9194d84e1ee8fa3658fd80c67e75ee	range.utility