export interface OgFont {
    name: string;
    data: ArrayBuffer | Buffer | Uint8Array;
    weight?: 100 | 200 | 300 | 400 | 500 | 600 | 700 | 800 | 900;
    style?: "normal" | "italic";
}
export interface RenderOgOptions {
    width?: number;
    height?: number;
    /** Extra/override fonts. When omitted, the bundled Inter (400+600) is used. */
    fonts?: OgFont[];
    /**
     * Emoji provider passthrough for Satori (`graphemeImages` / `loadAdditionalAsset`).
     * Left undefined by default — emoji render as tofu unless the app supplies fonts.
     */
    loadAdditionalAsset?: (code: string, text: string) => Promise<string> | string;
}
/**
 * Render a React element to a PNG buffer via Satori + resvg.
 *
 * `element` is whatever the user's `opengraph-image.tsx` produced — a React
 * element created by the *user's* react. Satori consumes it structurally
 * (by `type`/`props`), so the react instance doesn't matter.
 */
export declare function renderOgImage(element: unknown, options?: RenderOgOptions): Promise<Uint8Array>;