export declare class StyleClipUpdater {
    private static _TYPE_INSET;
    private static _TYPE_CIRCLE;
    private static _TYPE_ELLIPSE;
    private static _chacheClip;
    private static _chacheRound;
    private static _chacheCircle;
    private static _chacheEllipse;
    private static _chachePosition;
    private _target;
    private _key;
    private _type;
    private _clipParams;
    private _clipUpdater;
    private _roundParams;
    private _roundUpdater;
    private _circleParams;
    private _circleUpdater;
    private _ellipseParams;
    private _ellipseUpdater;
    private _positionParams;
    private _positionUpdater;
    constructor(target: HTMLElement);
    init: () => void;
    private setInsetPrams;
    private setCirclePrams;
    private setEllipsePrams;
    addPropStr: (key: string, value: string) => void;
    update: (progress: number) => string;
    private _updateChache;
    overwrite: (updater: StyleClipUpdater) => void;
    getDelta: () => number;
    clone: (target: HTMLElement) => StyleClipUpdater;
    toString: () => string;
    get key(): string;
}