/**
 * Memory-based Data Cache Handler for "use cache" directive
 * Based on Next.js default handler but with customizable options
 *
 * In-memory caches are fragile and should not use stale-while-revalidate
 * semantics because entries may be evicted before reuse. Stale entries
 * are considered expired/missing.
 */
import type { DataCacheHandler } from "./types.js";
export interface MemoryDataCacheHandlerOptions {
    /**
     * Maximum cache size in bytes
     * @default 50MB (50 * 1024 * 1024)
     */
    maxSize?: number;
    /**
     * Enable debug logging
     * @default false
     */
    debug?: boolean;
}
/**
 * Create a memory-based data cache handler for "use cache" directive
 *
 * @example
 * ```typescript
 * // cache-handler.mjs
 * import { createMemoryDataCacheHandler } from '@mrjasonroy/better-nextjs-cache-handler/data-cache';
 *
 * export default createMemoryDataCacheHandler({
 *   maxSize: 100 * 1024 * 1024, // 100MB
 *   debug: process.env.NODE_ENV === 'development'
 * });
 * ```
 *
 * Then in next.config.js:
 * ```javascript
 * module.exports = {
 *   cacheComponents: true,
 *   cacheHandlers: {
 *     default: require.resolve('./cache-handler.mjs')
 *   }
 * }
 * ```
 */
export declare function createMemoryDataCacheHandler(options?: MemoryDataCacheHandlerOptions): DataCacheHandler;
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