import type { Subscriber, BusMessage } from './envelope-bus.js';
export interface LogWriterOpts {
    diagnosticsLog: boolean;
    logDir?: string;
}
export declare class LogWriter implements Subscriber {
    readonly name = "log-writer";
    private writer;
    constructor(opts: LogWriterOpts);
    receive(msg: BusMessage): void;
    private serialize;
}
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