/**
 * Update Checker
 *
 * Checks for new versions of k0ntext and notifies users
 */
/**
 * Version comparison result
 */
export interface VersionCheckResult {
    current: string;
    latest: string;
    hasUpdate: boolean;
    type: 'major' | 'minor' | 'patch' | 'none';
}
/**
 * Update notification options
 */
export interface UpdateNotificationOptions {
    showIfCurrent: boolean;
    checkInterval: number;
}
/**
 * Update Checker
 */
export declare class UpdateChecker {
    private currentVersion;
    private lastCheck;
    private cachedResult;
    private checkInterval;
    constructor(currentVersion: string, checkInterval?: number);
    /**
     * Check for updates (with caching)
     */
    check(force?: boolean): Promise<VersionCheckResult>;
    /**
     * Fetch latest version from npm registry
     */
    private fetchLatestVersion;
    /**
     * Check if current version needs update
     */
    private needsUpdate;
    /**
     * Get update type
     */
    private getUpdateType;
    /**
     * Get type emoji
     */
    private getTypeEmoji;
    /**
     * Format update notification
     */
    formatNotification(result: VersionCheckResult): string;
    /**
     * Show notification if update available
     */
    showNotification(options?: UpdateNotificationOptions): Promise<void>;
    /**
     * Check and prompt for update
     */
    checkAndPrompt(): Promise<boolean>;
}
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