import { IsDigitString } from "./is-digit-string";
declare const TS_TYPE_ERROR: unique symbol;
type TS_TYPE_ERROR<Message extends string> = {
    [TS_TYPE_ERROR]: Message;
};
/**
 * @since 0.0.6
 */
export type DigitString<S> = [
    S
] extends [string] ? IsDigitString<S> extends true ? string : S extends '' ? TS_TYPE_ERROR<"expected a digit string, but found empty string"> : TS_TYPE_ERROR<"expected a digit string, but encountered a non-digit character"> : TS_TYPE_ERROR<"expected a digit string, but found a non-string type">;
export {};
//# sourceMappingURL=digit-string.d.ts.map