import type { OutputEvent } from '../types/session-types.js';
export declare class SubagentLogWriter {
    readonly sessionLabel: string;
    readonly subagentId: string;
    readonly logPath: string;
    private stream;
    private errored;
    private closed;
    private streamReady;
    private pendingLines;
    private readyPromise;
    private readyResolve;
    private bytesWritten;
    constructor(sessionLabel: string, subagentId: string);
    static isEnabled(): boolean;
    write(event: OutputEvent): void;
    close(): Promise<void>;
    private openStream;
    private writeLine;
}
export declare class SubagentLogReader {
    static readEvents(sessionLabel: string, subagentId: string): AsyncGenerator<OutputEvent>;
    static list(sessionLabel: string): Promise<string[]>;
}