ViolationCheckContext context = new ViolationCheckContext() {
        Map userData = [seenApiChanges: [] as Set]

        String getClassName() { return null }

        Map<String, ?> getUserData() { return userData }

        Object getUserData(String key) {
            return userData[key]
        }

        void putUserData(String key, Object value) {
            userData[key] = value
        }
    }

    @SuppressWarnings("unchecked")
    public void execute(ViolationCheckContextWithViolations context) {
        Set<ApiChange> acceptedApiChanges = (Set<ApiChange>) context.getUserData().get("acceptedApiChanges");
        Set<ApiChange> seenApiChanges = (Set<ApiChange>) context.getUserData().get("seenApiChanges");
        Set<ApiChange> left = new HashSet<>(acceptedApiChanges);
        left.removeAll(seenApiChanges);
        if (!left.isEmpty()) {

        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);

        // Find accessors that were not removed but should be

            @Override
            Map<String, ?> getUserData() {
                [
                    currentVersion: '11.38',
                    (BinaryCompatibilityRepositorySetupRule.REPOSITORY_CONTEXT_KEY): repository
                ]
            }

            @Override
            <T> T getUserData(String key) {
                getUserData()[key]
            }

            @Override

            return false;
        }

        Map<AccessorKey, UpgradedProperty> currentAccessors = context.getUserData(CURRENT_ACCESSORS_OF_UPGRADED_PROPERTIES);
        Map<AccessorKey, ReplacedAccessor> oldAccessors = context.getUserData(OLD_ACCESSORS_OF_UPGRADED_PROPERTIES);

        if (jApiMethod.getCompatibilityChanges().contains(METHOD_REMOVED)) {

    }

    @Override
    @SuppressWarnings("unchecked")
    public void execute(ViolationCheckContext context) {
        Map<String, Object> userData = (Map<String, Object>) context.getUserData();
        userData.put("currentVersion", currentVersion);
    }

    }

    @Override
    @SuppressWarnings("unchecked")
    public void execute(ViolationCheckContext context) {
        Map<String, Object> userData = (Map<String, Object>) context.getUserData();
        userData.put("acceptedApiChanges", acceptedApiChanges);
        userData.put("seenApiChanges", new HashSet<ApiChange>());
    }

    override val name: Name
        get() = withValidityAssertion { descriptor.name }

    override val contractEffects: List<KtContractEffectDeclaration> by cached {
        descriptor.getUserData(ContractProviderKey)?.getContractDescription()?.effects
            ?.map { it.effectDeclarationToAnalysisApi(analysisContext) }
            .orEmpty()
    }

    override val symbolKind: KtSymbolKind

        bindingContext[BindingContext.FUNCTION, psi]
    }

    override val contractEffects: List<KtContractEffectDeclaration> by cached {
        descriptor?.getUserData(ContractProviderKey)?.getContractDescription()?.effects
            ?.map { it.effectDeclarationToAnalysisApi(analysisContext) }
            .orEmpty()
    }

    override val isSuspend: Boolean

            new Gson().toJson(acceptanceJson, AcceptedApiChange, writer)
        }
        return stringWriter.toString()
    }

    String getCurrentVersion() {
        return context.getUserData().get("currentVersion")
    }

    private String relativePathToApiChanges() {
        if (null != apiChangesJsonFile && null != projectRootDir) {
            return projectRootDir.relativePath(apiChangesJsonFile)