declare function compareTwoStrings(first: string, second: string): number;
declare function findBestMatch(mainString: string, targetStrings: string): {
    ratings: {
        target: string;
        rating: number;
    }[];
    bestMatch: {
        target: string;
        rating: number;
    };
    bestMatchIndex: number;
};
declare function areArgsValid({ mainString, targetStrings }: {
    mainString: string;
    targetStrings: string;
}): boolean;