private
    fun writeReplaceMethodFrom(candidates: List<Method>) =
        candidates.firstAccessibleMatchingMethodOrNull {
            !Modifier.isStatic(modifiers)
                && parameterCount == 0
                && returnType == java.lang.Object::class.java
                && name == "writeReplace"
        }

    private
    fun writeObjectMethodHierarchyFrom(candidates: List<Method>) = candidates