usedVersions = new TreeSet<>();
        for (GradleVersion gradleVersion : getUsedGradleVersionsSmallerThanCurrent()) {
            usedVersions.addAll(cacheVersionMapping.getVersionUsedBy(gradleVersion).asSet());
        }
    }

    private SortedSet<GradleVersion> getUsedGradleVersionsSmallerThanCurrent() {
        return usedGradleVersions.getUsedGradleVersions().headSet(GradleVersion.current());
    }