import type { ServiceMigrationBackup } from "./service-migration-types.js";
/** 供协调器retain步骤调用；服务锁与capturing-runtime意图必须先建立。 */
export declare function retainServiceMigrationRuntime(backup: ServiceMigrationBackup, stateDirectory: string, id: string): Promise<import("./service-migration-retained-runtime.js").RetainedLegacyRuntime>;
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