newsupernova/vendor/amzn/amazon-pay-module/Plugin/AdditionalInformation.php

<?php
/**
 * Copyright 2016 Amazon.com, Inc. or its affiliates. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License").
 * You may not use this file except in compliance with the License.
 * A copy of the License is located at
 *
 *  http://aws.amazon.com/apache2.0
 *
 * or in the "license" file accompanying this file. This file is distributed
 * on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
 * express or implied. See the License for the specific language governing
 * permissions and limitations under the License.
 */
namespace Amazon\Payment\Plugin;

use Magento\Quote\Model\Quote\Payment;

class AdditionalInformation
{
    const KEY_SANDBOX_SIMULATION_REFERENCE = 'sandbox_simulation_reference';

    protected $additionalKeys = [
        self::KEY_SANDBOX_SIMULATION_REFERENCE
    ];

    public function afterGetAdditionalInformation(Payment $subject, $result)
    {
        if (is_array($result)) {
            foreach ($this->additionalKeys as $additionalKey) {
                if (! array_key_exists($additionalKey, $result) && $subject->hasData($additionalKey)) {
                    $result[$additionalKey] = $subject->getDataUsingMethod($additionalKey);
                }
            }
        }
        return $result;
    }
}