export default utils;
declare namespace utils {
    function getTag(target: any): string;
    function baseMerge(target: any, filterFn: any, ...sources: any[]): any;
    function merge(target: any, ...sources: any[]): any;
    function dispatch(context: any, componentName: any, eventName: any, params: any): void;
    function broadcast(context: any, componentName: any, eventName: any, params: any): void;
    function findParentComponent(_context: any, componentName: any): any;
    function findComponentUpward(_context: any, componentName: any, componentNames: any): any;
    function findComponentsUpward(_context: any, componentName: any, componentNames: any): any[];
    function findComponentsDownward(context: any, componentName: any, comps: any): any;
    function oneOf(value: any, validList: any): boolean;
    function camelCase(str: any): any;
    function getStyle(element: any, styleName: any): any;
    function setStyle(elementList: any, styleName: any, style: any): null | undefined;
    function isValueNumber(value: any): boolean;
    function scrollbarWidth(baseDom: any): number;
    function off(element: any, event: any, handler: any): void;
    function on(element: any, event: any, handler: any): void;
    function throttle(fn: any, wait: any): (...args: any[]) => void;
    function debounce(fn: any, delay: any): (...args: any[]) => void;
    function initDefaultProps(props: any, defaultData: any): any;
    function typeOf(obj: any): any;
    function deepCopy(data: any): any;
    function stringToIntArray(arr: any): any;
    function trim(string: any): any;
    function addClass(el: any, cls: any): void;
    function removeClass(el: any, cls: any): void;
    function isNull(obj: any): boolean;
    namespace Img {
        const MODE_SCALE_FILL: number;
        const MODE_SCALE_WIDTH: number;
        const MODE_SCALE_HEIGHT: number;
        const MODE_SCALE_DEFLATE_WIDTH: number;
        const MODE_SCALE_DEFLATE_HEIGHT: number;
        const MODE_SCALE_DEFLATE_FILL: number;
        const MODE_SCALE_DEFLATE_MAX: number;
    }
    function calcSize(width: any, height: any, maxWidth: any, maxHeight: any, mode: any): {
        width: any;
        height: any;
    };
    function optimize(img: any, option: any): {
        width: any;
        height: any;
    };
    function slideUp(element: any, animationTime: any, callback: any): void;
    function slideDown(element: any, animationTime: any, callback: any): void;
    function isUndef(v: any): boolean;
    function isDef(v: any): boolean;
    function once(func: any): (...args: any[]) => any;
    namespace Background {
        const IMAGE_POSITION: {
            key: string;
            backgroundRepeat: string;
            backgroundPositionX: string;
            backgroundPositionY: string;
            backgroundSize: string;
        }[];
        const PAVING_EFFECT: {
            label: string;
            key: string;
            backgroundRepeat: string;
            backgroundPositionX: string;
            backgroundPositionY: string;
            backgroundSize: string;
        }[];
        const SCALING_STRETCH: {
            backgroundRepeat: string;
            backgroundPositionX: string;
            backgroundPositionY: string;
            backgroundSize: string;
        }[];
        const SCALING_FILL: {
            backgroundRepeat: string;
            backgroundPositionX: string;
            backgroundPositionY: string;
            backgroundSize: string;
        }[];
        const SCALING_CONTAIN: {
            backgroundRepeat: string;
            backgroundPositionX: string;
            backgroundPositionY: string;
            backgroundSize: string;
        }[];
    }
    function parseBackgroundImageUrl(backgroundImage: any): string;
    function parseBackgroundImageGradient(backgroundImage: any): string;
    function concatBackgroundColor(color: any): any;
    function concatBackgroundImage(imageUrl: any, color: any): string;
    function contentLoaded(win: any, fn: any): void;
}