export declare function luhn(input: string): boolean;
export declare function abaMod10(input: string): boolean;
export declare function tfnMod11(input: string): boolean;
/**
 * Australian Company Number (ACN) checksum. Weights 8,7,6,5,4,3,2,1 applied to
 * digits 1-8; complement of sum-mod-10 must equal digit 9. See ASIC Information
 * Sheet 99 for the reference algorithm. Disambiguates 9-digit strings that would
 * otherwise tie with TFN_AU_9 on shape alone.
 */
export declare function acnChecksum(input: string): boolean;
export declare function runValidator(name: string, value: string): boolean;
export declare function hasKnownValidator(name: string): boolean;