export interface ModuleCacheResolveOptions {
    noCache?: boolean;
}
/**
 * Caches fetched URL and GitHub module content to disk so prompts
 * work offline after the first fetch.
 */
export declare class ModuleCache {
    private cacheDir;
    private modulesDir;
    private manifestPath;
    constructor(cacheDir: string);
    /**
     * Resolve a URL or GitHub shorthand to its content, using cache when possible.
     */
    resolve(url: string, options?: ModuleCacheResolveOptions): Promise<string>;
    /**
     * Clear cached modules. If url is provided, clear only that entry.
     */
    clear(url?: string): Promise<void>;
    /**
     * Get cache statistics.
     */
    getStats(): Promise<{
        entryCount: number;
        totalSizeMB: number;
    }>;
    private fetchWithConditional;
    private computeHash;
    private computeTtl;
    private isVersionedUrl;
    /**
     * Resolve GitHub shorthand notation to a raw.githubusercontent.com URL.
     * Supports:
     *   github:user/repo/path/to/file.js         → main branch
     *   github:user/repo@branch/path/to/file.js   → specific branch/tag
     */
    private resolveGitHubShorthand;
    private loadManifest;
    private saveManifest;
}
//# sourceMappingURL=module-cache.d.ts.map