import type { AgentTimelineItem } from "./agent-sdk-types.js";
interface ActivityCuratorOptions {
    maxItems?: number;
    labelAssistantMessages?: boolean;
}
/**
 * Convert normalized agent timeline items into a concise text summary.
 */
export declare function curateAgentActivity(timeline: AgentTimelineItem[], options?: ActivityCuratorOptions): string;
export {};
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