import type { IDtoGenerateCacheKey } from '../../interface/utility/index';
/**
 * Generates a unique cache key for DTO instances based on entity name, route method, DTO type, guard, and config.
 * @param {IDtoGenerateCacheKey} key - The key object containing entity name, method, DTO type, guard name, and DTO config
 * @returns {string} A unique string key for caching DTO instances
 */
export declare function DtoGenerateCacheKey(key: IDtoGenerateCacheKey): string;