import { IFontSizeSpec, ITypographySpec } from '../interfaces';
declare function getFontSpec(spec: ITypographySpec, size: number): IFontSizeSpec | undefined;
declare function getLineHeightByFontSize(spec: ITypographySpec, size: number): number;
declare const typographyUtils: {
    getFontSpec: typeof getFontSpec;
    getLineHeightByFontSize: typeof getLineHeightByFontSize;
};
export default typographyUtils;