040000 tree 06cc4704431cae25df9110a5a061771c842106ac	engine_build_configs
040000 tree 9d9128e37a35b3929fbb1fe6e49052d5004b8d42	engine_repo_tools
040000 tree 55d6550329296e56e9937ab15bc400cfcfc97e1e	git_repo_tools
040000 tree 9ef81fb27e1f838e2ff298c1d3bad0480b69537d	process_fakes