export declare const LINE_HEIGHTS: {
    xs: string;
    sm: string;
    base: string;
    lg: string;
    xl: string;
    '2xl': string;
    '3xl': string;
    '4xl': string;
    '5xl': number;
    '6xl': number;
    '7xl': number;
    '8xl': number;
    '9xl': number;
};