import { FirestoreSearchEngineIndexesProps } from "..";
/**
 * Function to rank the results of a search engine index.
 * @param {FirestoreSearchEngineIndexesProps} props - Props for the search engine index.
 * @param {FirestoreSearchEngineIndexesProps["returnedFields"][]} results - Results to be ranked.
 * @param {string} query - The search query.
 * @returns {any[]} - An array of ranked results.
 */
export declare function fse_rankResults(results: FirestoreSearchEngineIndexesProps["returnedFields"][], query: string): any[];