import { LicenseStatus } from './types';
export type { LicenseStatus } from './types';
/**
 * Built-in key for Polycyphers internal applications.
 * Set this via setLicense() in your app entry when enforcement is active.
 */
export declare const KARAMENT_INTERNAL_KEY = "KRMNT-INTERNAL";
/**
 * Set the license key. Call once in your app entry point.
 *
 * ```ts
 * import { setLicense } from "@polycyphers/spreadsheet";
 * setLicense("KRMNT-eyJsaWNl...");
 * ```
 */
export declare function setLicense(key: string): void;
/**
 * Get the current license validation status.
 */
export declare function getLicenseStatus(): LicenseStatus;
/**
 * Quick check: is the current license valid?
 * Returns true when enforcement is disabled (dormant mode).
 */
export declare function isLicensed(): boolean;
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