export declare const formatSSN: (str: string, padChar?: string) => string; export declare const formatSSNUnpadded: (str: string) => string; export declare const formatEIN: (str: string, padChar?: string) => string; export declare const formatEINUnpadded: (str: string) => string; export declare const normalizeDigitsTin: (str: string, length?: number) => string; export declare const formatABN: (str: string, padChar?: string) => string; export declare const formatABNUnpadded: (str: string) => string;