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