function renderToInitialStreamimport { renderToInitialStream } from "https://dotland.deno.dev/x/ultra@v2.0.0-alpha.9/lib/stream.ts"; renderToInitialStream(unnamed 0: { element: React.ReactElement; options?: RenderToReadableStreamOptions; }): Promise<RenderedReadableStream>Parametersunnamed 0: { element: React.ReactElement; options?: RenderToReadableStreamOptions; }ReturnsPromise<RenderedReadableStream>