import { StyleOptions } from '../../types';
export interface OpacityProps<T> {
    /**
     * The **`opacity`** CSS property sets the opacity of an element. Opacity is the degree to which content behind an element is hidden, and is the opposite of transparency.
     *
     * @see https://developer.mozilla.org/docs/Web/CSS/opacity
     */
    style$Opacity: T;
}
export declare const opacity: <T = import("@johanneslumpe/css-types").FlexGrowProperty, Theme = never, Breakpoints = never>({ themeProp, }?: Partial<StyleOptions<OpacityProps<T>, Theme, Extract<keyof Theme, string>>>) => (props: import("../../types").WithTheme<OpacityProps<T>, Theme, Breakpoints>) => import("../../types").Styles | undefined;