import { type IParser, type IMapping } from './parser';
export interface IUnsignedInteger<Output extends unknown = unknown> extends IParser<Output> {
    type: 'UnsignedInteger';
}
export declare function UnsignedInteger<Mapping extends IMapping<string>>(mapping: Mapping): IUnsignedInteger<ReturnType<Mapping>>;
export declare function UnsignedInteger(): IUnsignedInteger<string>;
export declare function IsUnsignedInteger(value: unknown): value is IUnsignedInteger;
export declare function ParseUnsignedInteger(input: string): [] | [string, string];