export interface ManagerUpgradePending {
    schemaVersion: 1;
    operationId: string;
    candidateDigest: string;
    phase?: "releasing" | "released";
    managerId?: string;
    completion?: "offline" | "rollback";
}
export declare function readManagerUpgradePending(workspace: string): ManagerUpgradePending | null;
export declare function managerUpgradeStatus(workspace: string): {
    pending: boolean;
    recoveryRequired: boolean;
};
/**
 * OS 事务须先保持服务静止且持服务锁；此函数取得工作区锁并核验全部历史进程退出。
 * 仅增加升级标记，不覆盖配置、认证或gateway期望状态。释放须由后续升级事务确认，
 * 不能调用首次迁移release或删除文件绕过验收。
 */
export declare function prepareManagerUpgradeWorkspace(workspace: string, input: ManagerUpgradePending): Promise<void>;
/** 仅常驻host持工作区锁与生命周期队列时使用；CAS之前不派发外部动作。 */
export declare function advanceManagerUpgrade(workspace: string, expected: ManagerUpgradePending, phase: "releasing" | "released", managerId: string): void;
/** 仅 OS 升级事务持工作区锁并完成离线核验后调用，不向远程提供此入口。 */
export declare function completeStoppedManagerUpgradeWhileLocked(workspace: string, expected: ManagerUpgradePending): void;
/** 旧候选文件已经恢复且系统服务仍静止时，允许回退事务关闭维护门禁。 */
export declare function completeRolledBackManagerUpgradeWhileLocked(workspace: string, expected: ManagerUpgradePending): void;
/** 普通托管入口不能把未结束升级当成一次独立启停或卸载。 */
export declare function assertNoPendingManagerUpgrade(workspace: string): void;
/** 已完成记录只读查询；不能将缺失、损坏记录视为新操作授权。 */
export declare function readManagerUpgradeHistory(workspace: string, operationId: string): ManagerUpgradePending | null;
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