import type { SetIncrementalFetchCacheContext, SetIncrementalResponseCacheContext } from "next/dist/server/response-cache";
/**
 * Serialize cache value with custom handling for Map and Buffer objects
 */
export declare function serializeCacheValue(value: any): string;
/**
 * Parse cache value with custom handling for Map and Buffer objects
 */
export declare function parseCacheValue(jsonString: string): any;
/**
 * Helper to safely extract tags from context
 */
export declare function getTags(ctx: SetIncrementalFetchCacheContext | SetIncrementalResponseCacheContext): string[] | undefined;