/**
 * Version state management for tracking last seen version.
 * Used to determine when to show "What's New" notifications.
 */
interface VersionState {
    lastSeenVersion: string;
}
/**
 * Get the version state from disk, or create default state.
 * Defaults to current version (so first install doesn't show What's New).
 *
 * @returns Version state object
 */
export declare function getVersionState(): VersionState;
/**
 * Update the last seen version in the state file.
 *
 * @param version - Version string to set as last seen
 */
export declare function updateLastSeenVersion(version: string): void;
/**
 * Check if we should show "What's New" for the current version.
 * Returns true if current version is greater than last seen version.
 *
 * @param currentVersion - Current installed version (defaults to package version)
 * @returns True if What's New should be shown
 */
export declare function shouldShowWhatsNew(currentVersion?: string): boolean;
export {};
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