import { GuardClass, GuardFunctionWithArray, OptionalGuardFunctionWithArray } from '../global';
declare class StringGuard implements GuardClass<string> {
    private maxLength?;
    private shouldEscape?;
    private escapeIfNeeded;
    get notEmpty(): GuardFunctionWithArray<string>;
    get required(): GuardFunctionWithArray<string>;
    get optional(): OptionalGuardFunctionWithArray<string>;
    get escaped(): StringGuard;
    with(maxLength: number): StringGuard;
    constructor(maxLength?: number, shouldEscape?: boolean);
}
declare const _default: StringGuard;
export default _default;