/**
 * Returns HTML for a server rendered Svelte 3 or 4 app.
 * @deprecated Use rendering function for specific Svelte version instead.
 * `import { render } from '@soleil-api/webapp-util/server/svelte/{3|4|5}';`
 * @param {import('svelte').SvelteComponent<any>} App Svelte component that is root of app.
 * @param {object} props Props passed to root component.
 * @return {string} HTML for the server rendered app.
 */
export function render(App: import('svelte').SvelteComponent<any>, props: object): string;