import { type IParser, type IMapping } from './parser';
export interface IConst<Output extends unknown = unknown> extends IParser<Output> {
    type: 'Const';
    const: string;
}
export declare function Const<Value extends string, Mapping extends IMapping<Value>>(value: Value, mapping: Mapping): IConst<ReturnType<Mapping>>;
export declare function Const<Value extends string>(value: Value): IConst<Value>;
export declare function IsConst(value: unknown): value is IConst;
export declare function ParseConst<Const extends string>(const_: Const, input: string): [] | [Const, string];