import type { Type } from 'ts-gems';
import { type Validator } from 'valgen';
import { DECODER, ENCODER } from '../../constants.js';
export declare class Base64Type {
    designType?: Type;
    constructor(attributes?: Partial<Base64Type>);
    protected [DECODER](properties: Partial<this>): Validator;
    protected [ENCODER](): Validator;
}