import { MatchRankFunction } from '../types/MatchRankFunction';
import { BooleanMatchFunction } from '../types/BooleanMatchFunction';
import { StringTransformationFunction } from '../types/StringTransformationFunction';
import { MatchSort } from './MatchSort';
export declare class StringMatchSort extends MatchSort<string> {
    private indexedStringTransform;
    private readonly defaultTransformations;
    constructor(defaultTransformations?: StringTransformationFunction[]);
    static from(matchRankFunction: MatchRankFunction<string>, transformations?: StringTransformationFunction[]): StringMatchSort;
    chain(exactRankFunction: MatchRankFunction<string>, transformations?: StringTransformationFunction[]): StringMatchSort;
    setFilter(filter: BooleanMatchFunction<string>, transformations?: StringTransformationFunction[]): StringMatchSort;
}