040000 tree a53b256c97cce1bf327f9291b074f79394aaa639	analyzer
040000 tree 3e1c64e25f380d9f41254247bbf23954b5a61e0f	closure
040000 tree 77d3cedde05ecf408ec3a6ab9148fe11f6b9f497	compiler
040000 tree d63d0472f9d83cb758e83b4a27a860bf0134162e	js_ast