import type { IResultMerger } from "../../types/interfaces.js";
import type { RankedResult, SearchResult } from "../../types/index.js";
export declare class RRFMerger implements IResultMerger {
    private k;
    constructor(k?: number);
    merge(rankedLists: RankedResult[][], topK: number): SearchResult[];
    private toSearchResult;
}
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