/** @typedef {import('svelte').SvelteComponent} Component */
/**
 * Returns HTML for a server rendered Svelte app.
 * @param {Component<any>} App Svelte component that is root of app.
 * @param {Record<string, any>} props Props passed to root component.
 * @return {string} HTML for the server rendered app.
 */
export function render(App: any, props: Record<string, any>): string;
export type Component = import('svelte').SvelteComponent;