/**
 * 通过cache 获取结果集
 * @param params
 */
export declare function cache(params: {
    prefix: string;
    keyExpress?: string;
    expiresIn?: number;
}): (target: any, name: string, descriptor: PropertyDescriptor) => PropertyDescriptor;
/**
 * 在方法执行完后，清除 cache
 * @param params
 */
export declare function clearCache(params: {
    prefix: string;
    keyExpress?: string;
}): (target: any, name: string, descriptor: PropertyDescriptor) => PropertyDescriptor;
/**
 * 手工删除cache
 * @param params
 * @param args
 */
export declare function delCache(params: {
    prefix: string;
    keyExpress: string;
}, ...args: any[]): void;