|null */ public ?array $responsePayload, /** 发往主站的 JSON 请求体快照,写入 {@see TransferOrder::external_request_payload} */ public ?array $requestPayload, public ?string $errorMessage, /** * 网络超时/连接类不确定结果:由 {@see HttpMainSiteWalletGateway} 设置,上层将订单标为 pending_reconcile, * 不重复扣加款(PRD §6.2 / §6.7)。 */ public bool $uncertain = false, ) {} public static function success(?string $ref, ?array $payload = null, ?array $requestPayload = null): self { return new self(true, $ref, $payload, $requestPayload, null, false); } public static function failure(string $message, ?array $payload = null, bool $uncertain = false, ?array $requestPayload = null): self { return new self(false, null, $payload, $requestPayload, $message, $uncertain); } }