/**
 * Tools function
 * @authors Luo-jinghui (luojinghui424@gmail.com)
 * @date  2019-11-08 15:54:21
 */
import { ITemplateObj } from '../type';
/**
 * 节流函数
 *
 * @param fn event function
 * @param delay 每隔多久必须触发一次
 * @param atleast 最短间隔触发时间
 */
export declare const debounce: (fn: any, delay: number, atleast: number) => () => void;
/**
 * 防抖函数
 *
 * @param fn Event function
 * @param wait 等待多少毫秒触发
 */
export declare const throttle: (fn: any, wait: number) => () => void;
/**
 * 获取当前时间
 *
 * Format：xxxx-xx-xx xx:xx
 */
export declare const currentTime: () => string;
/**
 * 获取当前时间
 *
 * Format：xx-xx xx:xx:xx.xx
 */
export declare const getTime: () => string;
/**
 * 获取当前时间
 *
 * Format：xx:xx:xx xx
 */
export declare const getMillTime: () => string;
/**
 * 错误信息格式化
 *
 * @param { string } sdk38code 错误码
 * @param { Record<string, any> } data 数据
 * @param { string } msg 消息描述
 * @returns { XYReturnResult } 错误码数据
 */
export declare const getStatus: (sdk38code: string, data?: Record<string, any>, msg?: string) => {
    code: any;
    msg: string;
    data: Record<string, any>;
};
/**
 * 判断值类型
 */
export declare const TYPEOF: {
    isNumber(num: any): boolean;
    isObject(obj: any): boolean;
    isArray(arr: any): boolean;
    isString(str: any): boolean;
    isBoolean(str: any): boolean;
    isUndefined(str: any): boolean;
    isFunction(val: any): val is Function;
    isLetter(val: any): boolean;
    isChinese(val: any): boolean;
    isNumberText(val: any): boolean;
    isSpecialChar(val: any): boolean;
    isWhiteSpace(val: any): boolean;
};
/**
 * 将演讲者模式转化成content缩略视图模式
 * 因为content模式中可能存在主会场，此时需要将P1替换为主会场，因此标注一下P1
 *
 * @param {ITemplateObj} SPEAKER 演讲者模板
 * @returns {ITemplateObj}
 */
export declare const toMultiPicContentHighPriority: (SPEAKER: ITemplateObj) => any;
/**
 * 将演讲者模式转化成content缩略共享模式
 *
 * @param SPEAKER 演讲者模板
 * @returns {ITemplateObj}
 */
export declare const toMultiPicActiveHighPriority: (SPEAKER: ITemplateObj) => any;
/**
 * 将字符串转为16进制
 *
 * @param {string} str
 * @returns {string}
 */
export declare const stringToHex: (str: any) => string;
/**
 * argb图片转rgba
 *
 * @param {ArrayBuffer} src argb array buffer
 * @param {boolean} convertAlpha 是否转换 alpha 通道，默认：false（不转换）
 * @returns {Uint8Array} 转换后的 rgba 数据
 */
export declare const argbToRgba: (src: ArrayBuffer, convertAlpha?: boolean) => Uint8Array;
/**
 * 检查图片是不是一张纯黑图片
 *
 * @param {ArrayBuffer} buffer 图片数据
 * @returns {boolean}
 */
export declare const isBlackImg: (buffer: ArrayBuffer) => boolean;
/**
 * 获取n-ua信息
 *
 * @returns {string}
 */
export declare const getNuaInfo: (appType?: string) => string;