[
  {"raw": "file.txt", "normalized": "file.txt", "valid": true},
  {"raw": "dir/./file.txt", "normalized": "dir/file.txt", "valid": true},
  {"raw": "unicodé/文件.txt", "normalized": "unicodé/文件.txt", "valid": true},
  {"raw": "/absolute", "normalized": null, "valid": false},
  {"raw": "../escape", "normalized": null, "valid": false},
  {"raw": "a\\b", "normalized": null, "valid": false},
  {"raw": "", "normalized": null, "valid": false}
]