internal
val MemberValue.intValue: Int
    get() {
        var value: Int? = null
        accept(object : MemberValueVisitorAdapter() {
            override fun visitIntegerMemberValue(node: IntegerMemberValue) {
                value = node.value
            }
        })
        if (value == null) throw annotationMemberValueNotFound(typeOf<Int>())
        return value!!
    }