export declare type FontSource = 'google' | 'system' | 'custom';
export declare type Font = {
    key: string;
    family: string;
    weight: number;
    url: string;
    source: FontSource;
};
export declare const CUSTOM_FONT_FAMILY_SUFFIX = "_gobi_custom";
export declare const googleFontFamilies: Record<string, string>;
export declare const googleFontWeights: Record<string, number | undefined>;
export declare const systemFontFamilies: Record<string, string>;