Refund/RefundManagerInterface.php

Defines methods for issuing refunds on payments and subscriptions.

// Source: https://github.com/getparthenon/parthenon | License: LGPL-2.1 | Modified files must remain under LGPL-2.1
// Modifications to this file must remain under LGPL-2.1.
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<?php

declare(strict_types=1);

/*
 * Copyright (C) 2020-2025 Iain Cambridge
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU LESSER GENERAL PUBLIC LICENSE as published by
 * the Free Software Foundation, either version 2.1 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser Gen

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