import { type PersistedOperationObserver } from "../persisted-operation-observer.js";
import { type SendRecord } from "./send-contracts.js";
/** 唯一持有工作区锁的manager使用；任何存储失败仅封锁发送域，不阻止管理端启动。 */
export declare class ControlSendStore {
    private readonly onOperation?;
    private storage?;
    private blocked;
    private readonly uncertain;
    constructor(directory: string, onOperation?: PersistedOperationObserver);
    health(): {
        available: boolean;
    };
    read(id: string): SendRecord;
    create(record: SendRecord): void;
    finish(record: SendRecord): void;
    private observe;
}
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