import { BaseError } from 'make-error';
import { Constrained } from '../../core';
export declare class InvalidMediumTextError extends BaseError {
    constructor();
}
export declare const mediumTextSymbol: unique symbol;
export type MediumText = Constrained<typeof mediumTextSymbol, string>;
export declare function isMediumText(input: unknown): input is MediumText;
export declare function mediumText(input: unknown): MediumText;