export declare function debounce(func: any, timeout?: number): (...args: any[]) => void;
export declare const throttle: (func: any, delay: any) => (...args: any[]) => any;
/**
 * @desc 判断数据是否定义
 * @param 所需数据
 * @returns {boolean} 是否定义
 * */
export declare function isDef<V>(val: V): val is NonNullable<V>;
/**
 * @description 判断数据是Function
 * @param 所需数据
 * @returns {boolean} 是否Function
 * */
export declare function isFunc(val: unknown): val is Function;
/**
 * @description 判断数据是数组
 * @param 所需数据
 * @returns {boolean} 是否数组
 * */
export declare function isArr(val: unknown): boolean;
/**
 * @description 判断数据是对象
 * @param 所需数据
 * @returns {boolean} 是否对象
 * */
export declare function isObj(val: unknown): boolean;
/**
 * @description 检测是否为非空对象
 * @desc 检测是否为非空对象
 * @param {Object} obj 原对象
 * @returns {Boolean}
 */
export declare function judgeObj(obj: any): boolean;
/**
 * @desc 检测是否为非空数组
 * @param {Array} arr 原数组
 * @returns {Boolean}
 */
export declare function judgeArr(arr: any): boolean;
export declare function useClosure<T extends Function>(fn: T): T;