return upgradedProperties.stream()
            .flatMap(UpgradePropertiesRuleSetup::mapOldAccessorsOfUpgradedProperty)
            .collect(Collectors.toMap(Map.Entry::getKey, Map.Entry::getValue));
    }

    private static Stream<Map.Entry<AccessorKey, ReplacedAccessor>> mapOldAccessorsOfUpgradedProperty(UpgradedProperty upgradedProperty) {
        return upgradedProperty.getReplacedAccessors().stream()

        keptAccessors.entrySet().removeIf(e -> {
            if (seenUpgradedAccessorsChanges.contains(e.getKey())) {
                return true;
            }
            ReplacedAccessor accessor = e.getValue();
            return accessor.getBinaryCompatibility() == BinaryCompatibility.ACCESSORS_KEPT;
        });
        if (!keptAccessors.isEmpty()) {

        testCoverageAndBuckets.associate { testCoverageAndBucket ->
            testCoverageAndBucket as JSONObject
            val testCoverage: TestCoverage = uuidToTestCoverage.getValue(testCoverageAndBucket.getIntValue("testCoverageUuid"))
            val buckets: List<SmallSubprojectBucket> = testCoverageAndBucket.getJSONArray("buckets").map {