interface UpdateInfo {
    currentVersion: string;
    latestVersion: string;
    hasUpdate: boolean;
}
export declare function getLatestVersion(): Promise<string | null>;
/**
 * Read the installed version from the OpenCode plugin cache.
 * OC stores plugins at ~/.cache/opencode/packages/zenox@<spec>/node_modules/zenox/package.json
 * We prefer the @latest entry, then any versioned entry, then readPackageVersion() fallback.
 */
export declare function getCachedVersion(): Promise<string | null>;
/**
 * Returns true when the currently loaded plugin entry in OC cache is a pinned version
 * (e.g. zenox@1.7.2) rather than zenox@latest.
 * Pinned entries must be updated via `zenox update`; cache-clear alone won't upgrade them.
 */
export declare function isCachePinned(): Promise<boolean>;
/**
 * Returns the running version of zenox regardless of install method.
 * Priority: OC cache package.json → readPackageVersion() (import.meta.url walk-up)
 */
export declare function getCurrentVersion(): Promise<string | null>;
export declare function checkForUpdate(): Promise<UpdateInfo | null>;
export {};