import type { JournalLine } from "./types.js";
export declare class Journal {
    readonly filePath: string;
    private entries;
    private stream;
    constructor(filePath: string);
    init(): Promise<void>;
    append(entry: JournalLine): void;
    appendLog(message: string): void;
    getCachedResult(agentIndex: number): unknown | undefined;
    get length(): number;
    /** Count of agent entries (excluding log entries) */
    get agentEntryCount(): number;
    /** Remove the agent_failed entry for a given agent index (for retry support) */
    removeFailedEntry(agentIndex: number): void;
    close(): Promise<void>;
    static load(filePath: string): Promise<Journal>;
}