import { LicenseKey, LicenseKeyVersion } from './LicenseKey.js';
/**
 * Checks if passed license key is a free CKEditor license key.
 *
 * @param licenseKey The license key to check.
 * @param licenseVersion The version of the license key.
 * @returns `true` if the license key is free, `false` otherwise.
 */
export declare function isCKEditorFreeLicense(licenseKey: LicenseKey, licenseVersion?: LicenseKeyVersion): boolean;