/**
 * @license
 * Copyright 2026 Qwen
 * SPDX-License-Identifier: Apache-2.0
 */
import { type SubagentActivity, type SubagentStatus, type SubagentTask, type SubagentFilter, type SubagentsPage, type SubagentsSnapshot } from './types.js';
export declare class SubagentsLedger {
    private readonly onChange?;
    private readonly states;
    private readonly monitors;
    private readonly details;
    private revision;
    private readonly archived;
    private archivedCount;
    private timer?;
    private closed;
    constructor(onChange?: ((snapshot: SubagentsSnapshot) => void) | undefined);
    upsert(value: Omit<SubagentTask, 'activity' | 'output' | 'events'> & Partial<Pick<SubagentTask, 'activity' | 'output' | 'events'>>): void;
    update(id: string, patch: Partial<Pick<SubagentTask, 'status' | 'activity' | 'notification' | 'pendingNotifications' | 'triggerCount' | 'remainingSec'>>, event?: Omit<SubagentActivity, 'at'>): void;
    append(id: string, kind: SubagentActivity['kind'], text: string): void;
    result(id: string, status: SubagentStatus, text: string, outputMessage?: string): void;
    snapshot(): SubagentsSnapshot;
    touch(): void;
    get(id: string): SubagentTask | undefined;
    forgetJoinedTask(id: string): void;
    page(offset?: number, selectedId?: string, filter?: SubagentFilter): SubagentsPage;
    dispose(): void;
    private pushEvent;
    private trimDetails;
    private archiveTerminal;
    private changed;
    private bytes;
}