import { Validator, ValidatorOptions } from './Validator';
import { I18nMessage } from '../i18n';
interface UrlOptions<IsRequired extends boolean> extends ValidatorOptions<string, IsRequired> {
    schemes?: string[];
}
export declare class UrlValidator<T extends boolean = true> extends Validator<UrlOptions<T>> {
    protected validSchemes: string[];
    protected pattern: string;
    schemes(schemes: string[]): this;
    optional(): UrlValidator<false>;
    default(url: string): UrlValidator<true>;
    protected validateValue(i18n: I18nMessage, data: Record<string, any>, key: string, superKeys: string[]): string | void;
}
export {};