duplicated block id: 1
size: 6 cleaned lines of code
in 2 files:
 - src/io/directory.ts (118:123)
 - src/io/xpi.ts (221:226)

duplicated block id: 2
size: 6 cleaned lines of code
in 2 files:
 - src/io/directory.ts (94:101)
 - src/test-helpers.ts (33:38)