import { langType } from '../tools';
import Validator from './Validator';
/**
 * A validator for a string enumeration.
 */
export default class StringEnum implements Validator<langType, []> {
    readonly params: [];
    private readonly values;
    /**
     * Create the validator.
     *
     * @param enumClass - The enumeration object.
     */
    constructor(enumClass: {
        [key: string]: string;
    });
    validate(value: string): '$shared$nonMatching' | undefined;
}