yarn versions
    2. { http_parser: '2.7.0',
    3.   node: '7.10.0',
    4.   v8: '5.5.372.43',
    5.   zlib: '1.2.11',
    6.   ares: '1.10.1-DEV',
    7.   modules: '51',
    9.   unicode: '9.0',
    10.   cldr: '30.0.3',
    12. ✨  Done in 0.04s.