import type { AgentEvent } from '../types.js';
/** Engine 事件流消费结果 */
export interface EngineRunResult {
    finalContent: string;
    errors: string[];
    iterations: number;
    toolSummary: string[];
}
/**
 * 消费 AgentEngine 的事件流，收集最终内容、错误、迭代次数和工具调用摘要
 */
export declare function collectEngineOutput(engineRunIterator: AsyncIterable<AgentEvent>): Promise<EngineRunResult>;
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