import { Validator, ValidatorOptions } from './Validator';
import { I18nMessage } from '../i18n';
interface BooleanOptions<IsRequired extends boolean> extends ValidatorOptions<boolean, IsRequired> {
    trueValues?: any[];
    falseValues?: any[];
}
export declare class BooleanValidator<T extends boolean = true> extends Validator<BooleanOptions<T>> {
    protected static trueValues: any[];
    protected static falseValues: any[];
    trueValues(values: any[]): this;
    falseValues(values: any[]): this;
    optional(): BooleanValidator<false>;
    default(value: boolean): BooleanValidator<true>;
    protected validateValue(i18n: I18nMessage, obj: Record<string, any>, key: string, superKeys: string[]): string | void;
}
export {};