import { CacheProvider } from "./CacheProvider.js";
/**
 * IndexedDB-based CacheProvider for browser environments.
 *
 * Caches fetched file contents in IndexedDB so that subsequent
 * accesses skip HTTP requests entirely. Supports cache invalidation
 * via a version string — when the version changes, the entire cache is cleared.
 */
export declare class IndexedDBCacheProvider implements CacheProvider {
    private dbPromise;
    private dbName;
    private storeName;
    private version?;
    /**
     * @param options.version - Build version hash. If it differs from the cached version, the cache is cleared.
     * @param options.dbName - IndexedDB database name. Defaults to "staticql-cache".
     * @param options.storeName - Object store name. Defaults to "files".
     */
    constructor(options?: {
        version?: string;
        dbName?: string;
        storeName?: string;
    });
    private openDB;
    get<T = unknown>(key: string): Promise<T | undefined>;
    set<T = unknown>(key: string, value: T): Promise<void>;
    has(key: string): Promise<boolean>;
    delete(key: string): Promise<void>;
    clear(): Promise<void>;
    private rawGet;
    private rawSet;
    private rawClear;
}