woocommerce-paypal-payments/tests/stubs/WC_Payment_Gateway_CC.php

<?php
declare( strict_types = 1 );

class WC_Payment_Gateway_CC {
	public function init_settings() {
	}

	public function process_admin_options() {
	}

	protected function get_return_url( $wcOrder ) {
		return $wcOrder;
	}
}