import type { OutputEvent } from './types/session-types.js';
export interface BgJobMeta {
    jobId: string;
    subagentId: string;
    label: string;
    promptHash: string;
    model: string;
    startedAt: number;
    endedAt?: number;
    status: 'running' | 'completed' | 'failed' | 'cancelled';
    parentSessionId?: string;
    stopReason?: string;
    schemaVersion: 1;
}
export declare class BgJobLogWriter {
    private readonly jobId;
    private readonly logPath;
    private readonly metaPath;
    private stream;
    private errored;
    private closed;
    private streamReady;
    private pendingLines;
    private readyPromise;
    private readyResolve;
    private metaWriteQueue;
    constructor(jobId: string);
    write(event: OutputEvent): void;
    private _openStream;
    private _writeLine;
    close(): Promise<void>;
    writeMeta(meta: BgJobMeta): Promise<void>;
    private _writeMetaInner;
}
export declare class BgJobLogReader {
    static listJobs(): Promise<BgJobMeta[]>;
    static readMeta(jobId: string): Promise<BgJobMeta | null>;
    static readEvents(jobId: string): AsyncGenerator<OutputEvent>;
    static tailEvents(jobId: string, opts?: {
        fromStart?: boolean;
    }): AsyncGenerator<OutputEvent>;
}