@Override
    public final Method getWriteMethod() {
        return writeMethod;
    }

    /**
     * setterメソッドを設定します。
     *
     * @param writeMethod
     *            setterメソッド
     */
    protected final void setWriteMethod(final Method writeMethod) {
        this.writeMethod = writeMethod;
        if (writeMethod != null) {
            writable = true;

        for (String permittedSubclass : classMember.getPermittedSubclasses()) {
            apiMemberAdapter.visitPermittedSubclass(permittedSubclass);
        }
        for (MethodMember method : methods) {
            writeMethod(method);
        }
        for (FieldMember field : fields) {
            FieldVisitor fieldVisitor = apiMemberAdapter.visitField(

            }
            MethodDetails methodDetails = writeMethod(value.getMethod());
            writeArgs(methodDetails, value);
        }

        private void writeArgs(MethodDetails methodDetails, MethodInvocation value) throws Exception {
            methodDetails.argsSerializer.write(encoder, value.getArguments());
        }

        private MethodDetails writeMethod(Method method) throws IOException {

    }

    override fun writeMethod(method: MethodMember) {
        when {
            method.isInternal() -> return
            method.isInline() -> throw CompileAvoidanceException.publicInlineFunction(method)
            else -> super.writeMethod(method)
        }
    }

    private
    fun KmDeclarationContainer.extractFunctionMetadata() {

        }
    }

    /**
     * setterメソッドを準備します。
     *
     * @param writeMethod
     *            setterメソッド
     * @param propertyName
     *            プロパティ名
     */
    protected void setupWriteMethod(final Method writeMethod, final String propertyName) {
        final Class<?> propertyType = writeMethod.getParameterTypes()[0];