import { Validator } from './Validator';
declare function required(): Validator<string>;
declare function minLength(minLength: number): Validator<string>;
declare function maxLength(maxLength: number): Validator<string>;
/** For a required numeric/integer input, you must also pass the required() validator */
declare function number(): Validator<string>;
declare function integer(): Validator<string>;
declare function greaterThan(x: number): Validator<string>;
declare function greaterThanOrEqual(x: number): Validator<string>;
declare function lessThan(x: number): Validator<string>;
declare function lessThanOrEqual(x: number): Validator<string>;
/** Regex-based email validator that uses the regex from the HTML5 spec. */
declare function email(): Validator<string>;
declare function money(options?: {
    allowNegative?: boolean;
}): Validator<string>;
/**
 * Validators for `string` values. Each property on this object is a function that returns
 * a `Validator<string>`.
 *
 * ```
 * const validators = [Validators.required(), Validators.integer(), Validators.greaterThan(0)]
 * ```
 */
export declare const Validators: {
    required: typeof required;
    minLength: typeof minLength;
    maxLength: typeof maxLength;
    number: typeof number;
    integer: typeof integer;
    greaterThan: typeof greaterThan;
    greaterThanOrEqual: typeof greaterThanOrEqual;
    lessThan: typeof lessThan;
    lessThanOrEqual: typeof lessThanOrEqual;
    email: typeof email;
    money: typeof money;
};
export {};