import type { AgentRunOptions } from '../agents.js';
type OutputCollectorOptions = Pick<AgentRunOptions, 'streamOutput' | 'onOutput' | 'maxOutputBytes' | 'headless'>;
export type OutputCollector = {
    append: (text: string) => void;
    flush: () => void;
    getOutput: () => string;
};
export declare function createOutputCollector(options: OutputCollectorOptions): OutputCollector;
export {};
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