export declare function clearVersionCheckCache(): void;
export declare function getLatestVersion(packageName: string): Promise<string | null>;
/**
 * Compare two semver strings. Returns true if `latest` is newer than `current`.
 * Handles pre-release tags (e.g. 0.1.0-beta.6 < 0.1.0).
 */
export declare function isNewerVersion(current: string, latest: string): boolean;
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