import { GenStyleFunc } from '../../design-token/interface';
import { ComputedRef } from 'vue';
export type MaskToken = {
    /**
     * 遮罩打开/关闭时的动画时长
     */
    maskAnimationDuration: string;
    /**
     * 遮罩透明度(基于#000)
     */
    maskOpacity: number;
};
export declare function genFadeKeyFrames(): string[];
export declare const genMaskStyle: GenStyleFunc<MaskToken>;
declare const _default: (prefixCls: string) => ComputedRef<string>;
export default _default;
