import { App } from 'vue';
declare class MiTools {
    /**
     * 创建 meta 标签 ( Create meta element ).
     * @param name
     * @param content
     */
    createMeta(name: string, content: string): void;
    /**
     * 设置标题.
     * @param title
     */
    setTitle(title?: string): void;
    /**
     * 设置关键词.
     * @param keywords
     * @param overwritten
     */
    setKeywords(keywords?: string | string[], overwritten?: boolean): void;
    /**
     * 设置描述.
     * @param desc
     * @param overwritten
     */
    setDescription(desc?: string, overwritten?: boolean): void;
    /**
     * 是否为移动端.
     * 注: iPad Safari 获取的 ua 与 Mac Safari 一致, 需独立判断.
     * @returns
     */
    isMobile(): boolean;
    /**
     * Format string content.
     * @param str
     * @param formatter
     */
    formatEmpty(str?: string, formatter?: string): string | undefined;
    /**
     * Whether the string content is empty.
     * @param str
     * @param format
     */
    isEmpty(str: any, format?: boolean): boolean | string;
    /**
     * Whether the `element / params` is valid.
     * @param value
     */
    isValid(value: any): boolean;
    /**
     * Whether it is a number.
     * @param number
     */
    isNumber(number: any): boolean;
    /**
     * Check the validity of the email.
     * @param email
     * @returns {boolean}
     */
    checkEmail(email: string): boolean;
    /**
     * Check Password by rules.
     * @param password
     */
    checkPassword(password: string): boolean;
    /**
     * Get the password strength.
     * return a number level ( 1 - 4 ).
     * @param password
     */
    getPasswordStrength(password: string): number;
    /**
     * random.
     * @returns {string}
     */
    random(): string;
    /**
     * Generate a random number within the specified range.
     * @param start
     * @param end
     * @returns {number}
     */
    randomNumberInRange(start: number, end: number): number;
    /**
     * Generate unique string.
     * @param upper
     * @returns {string}
     */
    uid(upper?: boolean, prefix?: string): string;
    /**
     * replace url parameters.
     * @param url
     * @param params
     * @returns
     */
    replaceUrlParams(url: string, params?: {
        [index: string]: any;
    }): string;
    /**
     * Unit conversion.
     * @param value
     * @param base
     */
    px2Rem(value: number | undefined, base?: number): number | undefined;
    /**
     * 转成rem.
     * @param num
     * @returns
     */
    convert2Rem(num: any): any;
    /**
     * convert color.
     * @param color
     * @param opacity
     */
    colorHex2Rgba(color: string | undefined, opacity?: number): string | undefined;
    /**
     * convert color.
     * @param color
     */
    colorRgb2Hex(color: string | undefined): string | undefined;
    /**
     * requestAnimationFrame.
     * @param callback
     * @returns
     */
    raf(callback: FrameRequestCallback): number;
    /**
     * cancelAnimationFrame.
     * @param rid
     */
    caf(rid: number): void;
    /**
     * Gets the actual height of the element from the top of the document.
     * @param el
     * @param pos
     * @returns
     */
    getElementActualTopOrLeft(el: HTMLElement, pos?: string): number;
    /**
     * scroll to top ( animation ).
     * @param el
     * @param from
     * @param to
     * @param duration
     * @param endCallback
     */
    scrollTop(el: any, from: number | undefined, to: number, duration?: number, endCallback?: Function): void;
    /**
     * back to top.
     * @param offset
     * @param duration
     */
    back2top(offset?: number, duration?: number): void;
    /**
     * add event listener.
     * @param el
     * @param event
     * @param listener
     * @param useCapture
     */
    on(el: Window | HTMLElement, event: keyof HTMLElementEventMap, listener: (this: HTMLElement, evt: HTMLElementEventMap[keyof HTMLElementEventMap]) => any, useCapture?: false): void;
    /**
     * remove event listener.
     * @param el
     * @param event
     * @param listener
     * @param useCapture
     */
    off(el: Window | HTMLElement, event: keyof HTMLElementEventMap, listener: (this: HTMLElement, evt: HTMLElementEventMap[keyof HTMLElementEventMap]) => any, useCapture?: false): void;
    /**
     * transfer.
     * @param html
     * @returns
     */
    htmlEncode(html: string): string;
}
export declare const $tools: MiTools;
declare const _default: {
    install(app: App): App<any>;
};
export default _default;