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import * as path from "https://deno.land/std@0.175.0/path/mod.ts";import { getVersionsDir } from "./config.ts";
export default function isDownloaded(rev: string): boolean {  try {    const fileInfo = Deno.lstatSync(path.resolve(getVersionsDir(), rev));    return fileInfo.isDirectory;  } catch {    return false;  }}