async function clean() {
  await rimraf("Build");
  const files = await globby(filesToClean);
  return Promise.all(files.map((file) => rimraf(file)));
}
/*.d.ts",
  "Specs/SpecList.js",
  "Specs/jasmine/**",
  "Apps/Sandcastle/jsHintOptions.js",
  "Apps/Sandcastle/gallery/gallery-index.js",
  "Apps/Sandcastle/templates/bucket.css",
  "Cesium-*.zip",
  "cesium-*.tgz",
  "packages/*