/**
 * Non-blocking update checker for ArtemisKit CLI
 */
export interface UpdateInfo {
    currentVersion: string;
    latestVersion: string;
    updateAvailable: boolean;
}
/**
 * Check for updates (non-blocking)
 * Returns update info or null if check fails
 */
export declare function checkForUpdate(): Promise<UpdateInfo | null>;
/**
 * Get the current CLI version
 */
export declare function getCurrentVersion(): string;
/**
 * Format version display string
 */
export declare function formatVersionDisplay(version: string): string;
/**
 * Format update available message
 */
export declare function formatUpdateMessage(current: string, latest: string): string;
/**
 * Non-blocking update check that prints message if update available
 * Use this to fire-and-forget an update check
 */
export declare function checkForUpdateAndNotify(): void;
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