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