import { LetterSpacingProperty } from '@johanneslumpe/css-types';
import { StyleOptions } from '../../types';
export interface LetterSpacingProps<T> {
    /**
     * The **`letter-spacing`** CSS property sets the spacing behavior between text characters.
     *
     * @see https://developer.mozilla.org/docs/Web/CSS/letter-spacing
     */
    style$LetterSpacing: T;
}
export declare const letterSpacing: <T = LetterSpacingProperty<import("@johanneslumpe/css-types").Length>, Theme = never, Breakpoints = never>({ themeProp, }?: Partial<StyleOptions<LetterSpacingProps<T>, Theme, Extract<keyof Theme, string>>>) => (props: import("../../types").WithTheme<LetterSpacingProps<T>, Theme, Breakpoints>) => import("../../types").Styles | undefined;