export interface LogEntry {
    timestamp: number;
    level: 'debug' | 'info' | 'warn' | 'error';
    source: string;
    message: string;
}
export declare class LogStream {
    private buffer;
    private listeners;
    private running;
    start(): void;
    stop(): void;
    onLog(callback: (entry: LogEntry) => void): void;
    emit(entry: LogEntry): void;
    log(level: LogEntry['level'], source: string, message: string): void;
    getBuffer(): LogEntry[];
    clearBuffer(): void;
}
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