/**
 * Dynamic Widget Loader - Enables automatic updates without npm install
 * Loads widget dynamically from CDN with smart caching
 */
interface WidgetVersion {
    version: string;
    timestamp: string;
    scriptUrl: string;
}
export declare class DynamicWidgetLoader {
    private static CDN_BASE;
    private static CACHE_KEY;
    private static ACTIVE_VERSION_KEY;
    /**
     * Get latest version from npm registry
     */
    static getLatestVersion(): Promise<string | null>;
    /**
     * Load widget from CDN (using UMD format for better compatibility)
     */
    static loadFromCDN(version: string): Promise<void>;
    /**
     * Auto-update to new version
     */
    static updateToVersion(newVersion: string): Promise<boolean>;
    /**
     * Get cached version info
     */
    static getCachedVersion(): WidgetVersion | null;
    /**
     * Get currently active version
     */
    static getActiveVersion(): string | null;
    /**
     * Clear cache (for debugging)
     */
    static clearCache(): void;
}
export {};