/**
 * 获取8位随机字符串
 */
declare function getRandom(): string;
/**
 * 节流
 * @param fn
 * @param time
 */
declare function throttle(fn: any, time: number): any;
/**
 * obj转url参数
 * @param data
 */
declare function obj2url(data: any): string;
/**
 * 校验类型item的tostring是不是为type
 * @param item
 * @param type
 * @return {boolean}
 */
declare function isType(item: any, type: any): boolean;
export { getRandom, throttle, obj2url, isType };