/**
 * Auto-Update System for @portel/ncp
 *
 * Checks NPM registry for newer versions and notifies users.
 * Follows npm best practices - users control when to update.
 */
interface VersionInfo {
    current: string;
    latest: string;
    isOutdated: boolean;
    updateCommand: string;
}
export declare class NPCUpdater {
    private readonly packageName;
    private readonly checkInterval;
    private readonly timeout;
    /**
     * Get current package version from package.json
     */
    private getCurrentVersion;
    /**
     * Fetch latest version from NPM registry
     */
    private getLatestVersion;
    /**
     * Compare version strings (semver-like)
     */
    private isNewerVersion;
    /**
     * Check if update is available
     */
    checkForUpdates(): Promise<VersionInfo | null>;
    /**
     * Get update tip for --find results (if update available)
     */
    getUpdateTip(): Promise<string | null>;
}
export declare const updater: NPCUpdater;
export {};
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