function emptyDirimport { emptyDir } from "https://dotland.deno.dev/x/ultra@v2.0.0-alpha.3/lib/build/deps.ts"; emptyDir(dir: string)Ensures that a directory is empty. Deletes directory contents if the directory is not empty. If the directory does not exist, it is created. The directory itself is not deleted. Requires the --allow-read and --allow-write flag. Parametersdir: string