import { AbstractValidatableDocument } from '../../contracts/abstract-validatable-document.js';
import { ReasonCode } from '../../contracts/reason-code.js';
/**
 * Validates Brazilian CEP (Código de Endereçamento Postal) numbers.
 */
export declare class CEPValidation extends AbstractValidatableDocument {
    protected documentName(): string;
    /**
     * Generates a valid CEP (8 digits; format-only, no check digit).
     *
     * @param formatted When true, returns the masked form (00000-000).
     */
    static generate(formatted?: boolean): string;
    protected doValidate(): ReasonCode | null;
    /** Canonical CEP mask: 00000-000. */
    protected mask(stripped: string): string;
}