/**
 * NPM Registry Utility
 * Fetches package information from npm registry
 * @requirement FIX-UPGRADE-COMMAND - Add npm registry check
 */
export interface RegistryInfo {
    latestVersion: string | null;
    betaVersion: string | null;
    publishDate: string | null;
}
/**
 * Fetch latest version information from npm registry
 *
 * @param packageName - Package name (e.g., '@shadel/ai-workflow-core')
 * @returns RegistryInfo with latest version, beta version, and publish date
 * @example
 * ```typescript
 * const info = await fetchLatestVersion('@shadel/ai-workflow-core');
 * console.log(info.latestVersion); // '3.1.2'
 * ```
 */
export declare function fetchLatestVersion(packageName: string): Promise<RegistryInfo>;