import { langType } from '../tools';
import Validator from './Validator';
/**
 * A validator for identity value. Mostly useful for hidden password control.
 */
export default class Identity implements Validator<langType, []> {
    private readonly comparison;
    readonly params: [];
    /**
     * Create the validator.
     *
     * @param comparison - The string to compare value to.
     */
    constructor(comparison: string);
    validate(value: string): '$shared$nonMatching' | undefined;
}