import { StyleOptions } from '../../types';
export interface MaskSizeProps<T> {
    /**
     * The **`mask-size`** CSS property specifies the sizes of the mask images. The size of the image can be fully or partially constrained in order to preserve its intrinsic ratio.
     *
     * @see https://developer.mozilla.org/docs/Web/CSS/mask-size
     */
    style$MaskSize: T;
}
export declare const maskSize: <T = string, Theme = never, Breakpoints = never>({ themeProp, }?: Partial<StyleOptions<MaskSizeProps<T>, Theme, Extract<keyof Theme, string>>>) => (props: import("../../types").WithTheme<MaskSizeProps<T>, Theme, Breakpoints>) => import("../../types").Styles | undefined;