import { FontSynthesisPropertyCombined } from '@johanneslumpe/css-types';
import { StyleOptions } from '../../types';
export interface FontSynthesisProps<T> {
    /**
     * The **`font-synthesis`** CSS property controls which missing typefaces, bold or italic, may be synthesized by the browser.
     *
     * @see https://developer.mozilla.org/docs/Web/CSS/font-synthesis
     */
    style$FontSynthesis: T;
}
export declare const fontSynthesis: <T = FontSynthesisPropertyCombined, Theme = never, Breakpoints = never>({ themeProp, }?: Partial<StyleOptions<FontSynthesisProps<T>, Theme, Extract<keyof Theme, string>>>) => (props: import("../../types").WithTheme<FontSynthesisProps<T>, Theme, Breakpoints>) => import("../../types").Styles | undefined;