duplicated block id: 1
size: 21 cleaned lines of code
in 2 files:
 - gulpfile.js (40:60)
 - gulpfile.js (67:87)

duplicated block id: 2
size: 6 cleaned lines of code
in 2 files:
 - src/core/metrics.js (87:92)
 - src/core/metrics.js (103:108)