Franz Liedke 89e018a4f0
Simplify PrerequisiteInterface
I went with a return type of Collection, because it is easier to call
methods such as isEmpty() directly on those objects.
2019-01-31 21:52:05 +01:00
..
2017-11-29 22:25:57 +10:30
2019-01-31 21:52:05 +01:00
2018-01-01 10:34:19 +10:30