import { Transform } from 'style-dictionary/types';
/**
 * Acceptable font weights according to w3c standard
 * @link https://design-tokens.github.io/community-group/format/#font-weight
 */
declare const fontWeights: {
    [key: string]: number;
};
export type FontWeightString = keyof typeof fontWeights;
export type FontWeightNumeric = (typeof fontWeights)[FontWeightString];
export declare const fontWeightValueTransformer: (tokenValue: FontWeightNumeric | FontWeightString) => FontWeightNumeric;
/**
 * fontWeightCss
 * @description convert a fontWeight string like `black` to the corresponding number, like `900`
 */
export declare const fontWeightCss: Transform;
export {};