import React, { FC } from 'react';
/**
 * Mask properties
 */
export interface MaskPropsStrict {
    /** Show/hide Mask */
    active?: boolean;
    /** Apply border-radius when wrapping an element such as a card */
    borderRadius?: 0 | 1 | 2;
    /** String of class names to add to component */
    className?: string;
    /** Freeform content to add to the mask overlay */
    content?: React.ReactElement;
}
export interface MaskProps extends MaskPropsStrict {
    [propName: string]: any;
}
export declare const Mask: FC<MaskProps>;