import type { RawSearchResult } from '../../types.js';
export declare const RERANK_WINDOW = 20;
export declare const RERANK_RELEVANCE_THRESHOLD = 0;
export declare const RERANK_TIER_MARGIN = 0.5;
export declare const RERANK_BLEND_COMPOSITE = 0.5;
export declare const RERANK_BLEND_RERANK = 0.5;
export declare const RERANK_CALIBRATION_FLOOR = 0;
export declare function rerankInputText(title: string, snippet: string | undefined, url: string): string;
/** Injectable: given a query + candidates, return id -> raw logit. */
export type RerankFn = (query: string, candidates: {
    id: string;
    text: string;
}[]) => Promise<Map<string, number>>;
export interface FoldOptions {
    queries: string[];
    deep?: boolean;
    maxResults?: number;
    rerank?: RerankFn;
}
export declare function foldRerankIntoOrdering(results: RawSearchResult[], opts: FoldOptions): Promise<RawSearchResult[]>;
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