export declare enum HeadingLevel {
    H1 = "h1",
    H2 = "h2",
    H3 = "h3",
    H4 = "h4",
    H5 = "h5",
    H6 = "h6"
}
export type FontSize = {
    pixels: number;
} | {
    ratio: number;
};
export type FontStyle = {
    weight: number;
    family: string;
    lineHeight: FontSize;
    size: FontSize;
};
export type RequiredThemeOptions<TagPrefix extends string> = {
    elementTagPrefix: TagPrefix;
};
export type OptionalThemeOptions = {
    font?: {
        default: FontStyle;
        bold: FontStyle;
        monospace: FontStyle;
        headings: Record<HeadingLevel, FontStyle>;
    };
    colors?: {
        error: string;
    };
};
export type ThemeOptions<TagPrefix extends string> = Required<RequiredThemeOptions<TagPrefix>> & Partial<OptionalThemeOptions>;
export type AllThemeOptions<TagPrefix extends string> = Required<RequiredThemeOptions<TagPrefix>> & Required<OptionalThemeOptions>;
export declare function createDefaultThemeOptions(): AllThemeOptions<any>;