import { ReactNode } from 'react';

/**
 * This class handles everything related to fonts.
 */

declare type Weight = 100 | 200 | 300 | 400 | 500 | 600 | 700 | 800 | 900;
declare type Style = 'normal' | 'italic';
interface FontOptions {
    data: Buffer | ArrayBuffer;
    name: string;
    weight?: Weight;
    style?: Style;
}

interface SatoriOptions {
    width: number;
    height: number;
    fonts: FontOptions[];
    embedFont?: boolean;
    debug?: boolean;
    graphemeImages?: Record<string, string>;
    detectLanguage?: (segment: string) => Promise<string> | string;
    loadAdditionalAsset?: (languageCode: string, segment: string) => Promise<FontOptions | string | undefined>;
}
declare function init({ Yoga, Resvg }: any): void;
declare function toSvg(element: ReactNode, options: SatoriOptions): Promise<string>;
declare function toPng(element: ReactNode, options: SatoriOptions): Promise<Buffer>;

export { init, toPng, toSvg };