export { parseServiceMigrationRecord, parseServiceMigrationReloadOldReceipt, parseServiceMigrationStartOldReceipt, } from "./service-migration-record.js";
import { type ManagerServiceSpec } from "./manager-service-spec.js";
import type { RetainedLegacyRuntime } from "./service-migration-retained-runtime.js";
import type { ServiceMigrationBackup, ServiceMigrationEffectProof, ServiceMigrationJournalTransition, ServiceMigrationRecord, ServiceMigrationJournal } from "./service-migration-types.js";
import { type PersistedOperationObserver } from "./persisted-operation-observer.js";
/** 调用方必须持有 service 级协调锁；此模块不以 workspace 锁代替服务互斥。 */
export declare class FileServiceMigrationJournal implements ServiceMigrationJournal {
    private readonly onOperation?;
    private readonly directory;
    private readonly identity;
    private blocked;
    constructor(directory: string, onOperation?: PersistedOperationObserver);
    /** 调用方持服务锁；不以新metadata或新的操作ID绕过旧迁移的恢复门禁。 */
    health(): {
        recoveryRequired: boolean;
    };
    prepare(id: string, backup: ServiceMigrationBackup): ServiceMigrationRecord;
    read(id: string): ServiceMigrationRecord;
    /** 捕获意图已落盘后，只绑定工件，不修改原始文件备份；未知写入禁止继续停机。 */
    bindRuntime(record: ServiceMigrationRecord, retained: RetainedLegacyRuntime): ServiceMigrationRecord;
    backup(record: ServiceMigrationRecord): ServiceMigrationBackup;
    bindManagerCandidate(record: ServiceMigrationRecord, input: ManagerServiceSpec, digest: string): ServiceMigrationRecord;
    save(record: ServiceMigrationRecord): void;
    transition(expected: Readonly<ServiceMigrationRecord>, command: ServiceMigrationJournalTransition | ServiceMigrationEffectProof): ServiceMigrationRecord;
    private file;
    private backupFile;
    private checkDirectory;
}
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