import { BaseValidator } from './base';
import type { EnumValidatorType, ValidationNames } from '../types/index';
export declare function enum_(allowedValues: readonly string[]): EnumValidator;
export declare class EnumValidator extends BaseValidator<string> implements EnumValidatorType {
  name: ValidationNames;
  readonly allowedValues: string[];
  constructor(allowedValues: readonly string[]);
  getAllowedValues(): readonly string[];
  custom(fn: (value: string) => boolean, message: string): this;
}