import type { CodexNotifierDeliveryStatus, CodexNotifierEventRecord, CodexTaskCompletedEvent } from './types.js';
export declare const DEFAULT_MAX_CODEX_NOTIFIER_EVENTS = 1000;
export declare const DEFAULT_MAX_CODEX_NOTIFIER_RECEIPTS = 10000;
export interface CodexNotifierDeliveryUpdate {
    status: CodexNotifierDeliveryStatus;
    messageId?: string;
    lastError?: string;
    incrementAttempts?: boolean;
}
export interface RecordCodexNotifierEventResult {
    inserted: boolean;
    record: CodexNotifierEventRecord;
}
/** 单 daemon 写入的有界、原子事件账本。 */
export declare class CodexNotifierEventStore {
    private readonly filePath;
    private readonly maxEntries;
    private readonly maxReceipts;
    private readonly records;
    private readonly receipts;
    constructor(filePath: string, maxEntries?: number, maxReceipts?: number);
    get(eventId: string): CodexNotifierEventRecord | undefined;
    isDuplicate(eventId: string): boolean;
    record(event: CodexTaskCompletedEvent, now?: number): RecordCodexNotifierEventResult;
    updateDelivery(eventId: string, update: CodexNotifierDeliveryUpdate, now?: number): CodexNotifierEventRecord | undefined;
    private load;
    private persist;
}
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