/**
 * Cache Storage API wrapper.
 * Provides a simplified interface for caching responses and assets.
 */
/**
 * Cache handle interface for managing cached resources.
 */
export interface CacheHandle {
    /**
     * Add a resource to the cache by URL.
     * Fetches the resource and stores the response.
     * @param url - URL to fetch and cache
     */
    add(url: string): Promise<void>;
    /**
     * Add multiple resources to the cache.
     * @param urls - Array of URLs to fetch and cache
     */
    addAll(urls: string[]): Promise<void>;
    /**
     * Store a custom response in the cache.
     * @param url - URL key for the cached response
     * @param response - Response object to cache
     */
    put(url: string, response: Response): Promise<void>;
    /**
     * Retrieve a cached response.
     * @param url - URL to look up
     * @returns Cached Response or undefined if not found
     */
    match(url: string): Promise<Response | undefined>;
    /**
     * Remove a cached response.
     * @param url - URL to remove from cache
     * @returns True if the entry was deleted
     */
    remove(url: string): Promise<boolean>;
    /**
     * Get all cached request URLs.
     * @returns Array of cached URLs
     */
    keys(): Promise<string[]>;
}
/**
 * Cache manager for accessing the Cache Storage API.
 */
export declare const cache: {
    /**
     * Check if Cache Storage API is supported.
     * @returns True if caches API is available
     */
    isSupported(): boolean;
    /**
     * Open or create a named cache.
     * @param name - Cache name
     * @returns CacheHandle for cache operations
     */
    open(name: string): Promise<CacheHandle>;
    /**
     * Delete a named cache.
     * @param name - Cache name to delete
     * @returns True if the cache was deleted
     */
    delete(name: string): Promise<boolean>;
    /**
     * List all cache names.
     * @returns Array of cache names
     */
    keys(): Promise<string[]>;
};
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