}

    private static Map<AccessorKey, UpgradedProperty> mapCurrentAccessorsOfUpgradedProperties(List<UpgradedProperty> upgradedProperties) {
        return upgradedProperties.stream().collect(Collectors.toMap(AccessorKey::ofUpgradedProperty, Function.identity()));
    }

    private static Map<AccessorKey, ReplacedAccessor> mapOldAccessorsOfUpgradedProperties(List<UpgradedProperty> upgradedProperties) {

            this.descriptor = descriptor;
        }

        public static AccessorKey of(String containingType, String methodName, String descriptor) {
            return new AccessorKey(containingType, methodName, descriptor);
        }

        public static AccessorKey ofUpgradedProperty(UpgradedProperty upgradedProperty) {

        }
        return upgradedMethods.containsKey(AccessorKey.ofOldMethod(jApiMethod));
    }

    private static boolean isCurrentGetterOfUpgradedProperty(JApiMethod jApiMethod, Map<AccessorKey, UpgradedProperty> currentMethods) {
        return isCurrentMethod(jApiMethod, currentMethods, GETTER_REGEX);
    }

    private static boolean isCurrentMethod(JApiMethod jApiMethod, Map<AccessorKey, UpgradedProperty> currentMethods, Pattern pattern) {

    @SuppressWarnings("unchecked")
    public void execute(ViolationCheckContextWithViolations context) {
        Set<AccessorKey> seenUpgradedAccessorsChanges = (Set<AccessorKey>) context.getUserData().get(SEEN_OLD_ACCESSORS_OF_UPGRADED_PROPERTIES);
        Map<AccessorKey, ReplacedAccessor> oldAccessorsOfUpgradedProperties = (Map<AccessorKey, ReplacedAccessor>) context.getUserData().get(OLD_ACCESSORS_OF_UPGRADED_PROPERTIES);

    Violation acceptOrReject(JApiCompatibility member, List<String> changes, Violation rejection) {
        Set<ApiChange> seenApiChanges = (Set<ApiChange>) context.userData["seenApiChanges"]
        Set<AccessorKey> seenOldAccessorsOfUpgradedProperties = (Set<AccessorKey>) context.userData[SEEN_OLD_ACCESSORS_OF_UPGRADED_PROPERTIES]
        UpgradedProperties.maybeGetKeyOfOldAccessorOfUpgradedProperty(member, context).ifPresent { seenOldAccessorsOfUpgradedProperties.add(it) }