import { NumberRange } from './guard';
import { GuardClass, GuardFunctionWithArray, OptionalGuardFunctionWithArray } from '../global';
declare class NumberGuard implements GuardClass<number> {
    private range?;
    private allowString;
    get required(): GuardFunctionWithArray<number>;
    get optional(): OptionalGuardFunctionWithArray<number>;
    get strict(): NumberGuard;
    with(range: number[]): NumberGuard;
    with(range: NumberRange): NumberGuard;
    lt(value: number): NumberGuard;
    lte(value: number): NumberGuard;
    gt(value: number): NumberGuard;
    gte(value: number): NumberGuard;
    constructor(range?: NumberRange, allowString?: boolean);
}
declare const _default: NumberGuard;
export default _default;