import type { TalkTopic, TalkTopicObjectAnchor } from "./types.js";
export interface TopicLiveState {
    verifiedState: string;
    rawDetails?: string[];
    objectAnchors?: TalkTopicObjectAnchor[];
    retrievalAnchors?: string[];
}
export type TopicStateLoader = (retrievalAnchors: readonly string[]) => Promise<TopicLiveState>;
/** Refresh expendable source state while retaining every conversational commitment. */
export declare function rehydrateTopic(topic: TalkTopic, load: TopicStateLoader, now?: number): Promise<TalkTopic>;
/** Stable, compact provider context; raw detail is deliberately last. */
export declare function formatTopicContext(topic: TalkTopic): string;
/** Bounded provider memory: current topic in full, earlier strands as durable commitments. */
export declare function formatTalkTopicMemory(topics: readonly TalkTopic[], currentTopicId: string | null, budget?: number): string;
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