import { FormatOptions, IDocumentValidator, ValidationOptions, ValidationResult } from './types';
export declare class CPFValidator implements IDocumentValidator {
    private readonly firstDigitMultipliers;
    private readonly secondDigitMultipliers;
    constructor();
    clean(input: string): string;
    format(input: string): string | null;
    validate(input: string): ValidationResult;
    weakValidate(input: string): ValidationResult;
    private validateCheckDigits;
}
export declare function validateCPF(input: string, options?: ValidationOptions): ValidationResult;
export declare function weakValidateCPF(input: string): ValidationResult;
export declare function formatCPF(input: string, options?: FormatOptions): string | null;
export declare function cleanCPF(input: string): string;
export declare function maskCPF(input: string, options?: FormatOptions): string | null;