}

                val propertyNames = packageFragmentProto.`package`.propertyList
                    .map { propertyProto -> nameResolver.getName(propertyProto.name) }

                val functionNames = packageFragmentProto.`package`.functionList
                    .map { functionProto -> nameResolver.getName(functionProto.name) }

                val callableNames = (propertyNames + functionNames).distinct()

        if (value != null) {
            System.setProperty(propertyName, value);
        } else {
            System.clearProperty(propertyName);
        }
        return originalValue;
    }

    private void restoreProperty(String propertyName, @Nullable String originalValue) {
        if (originalValue != null) {
            System.setProperty(propertyName, originalValue);
        } else {

        }

        @Override
        public TypeValidationDataSpec pluginId(String pluginId) {
            this.pluginId = pluginId;
            return this;
        }

        @Override
        public TypeValidationDataSpec propertyName(String propertyName) {
            this.propertyName = propertyName;
            return this;
        }

    override fun property(receiver: DynamicObject, propertyName: String): Any? =
        withDynamicCall(receiver) {
            receiver.getProperty(propertyName)
        }

    override fun findProperty(receiver: DynamicObject, propertyName: String): Any? =
        withDynamicCall(receiver) {
            val dynamicInvokeResult: DynamicInvokeResult = receiver.tryGetProperty(propertyName)

        return new NamedMemberScope(CallType.GET_PROPERTY, propertyName);
    }

    /**
     * The returned scope includes writes of all properties named {@code propertyName}.
     * This scope doesn't include calls to the setter method corresponding to this property,
     * use additional explicit {@link #methodsNamed(String)} scope to intercept that.
     *

    public UnmanagedPropertyMissingSetterException(String propertyName) {
        super(getMessage(propertyName));
    }

    private static String getMessage(String propertyName) {
        return String.format(
            "unmanaged property '%s' cannot be read only, unmanaged properties must have setters",
            propertyName);
    }

    private final String propertyName;
    private final PropertyValue value;
    private final boolean optional;
    private final ValidationAction validationAction;

    public AbstractValidatingProperty(String propertyName, PropertyValue value, boolean optional, ValidationAction validationAction) {
        this.propertyName = propertyName;
        this.value = value;
        this.optional = optional;

            return null;
        }

        private Accessors(JavaClass owningClass, String propertyName, Set<JavaMethod> getters, Set<JavaMethod> setters) {
            this.getters = getters;
            this.setters = setters;
            this.owningClass = owningClass;
            this.propertyName = propertyName;
        }

        public boolean nullableIsSymmetric() {

    @Override
    public Object property(DynamicObject receiver, String propertyName) throws MissingPropertyException {
        return receiver.getProperty(propertyName);
    }

    @Override
    public @Nullable Object findProperty(DynamicObject receiver, String propertyName) {
        DynamicInvokeResult dynamicInvokeResult = receiver.tryGetProperty(propertyName);

        if (changed) {
            for (T propertySpec : properties) {
                String propertyName = propertySpec.getPropertyName();
                if (propertyName == null) {
                    propertyName = "$" + ++unnamedPropertyCounter;
                    propertySpec.withPropertyName(propertyName);
                }
            }
            changed = false;
        }
        return properties.iterator();