{
  "attachments": {
    "att1": {
      "filespec": "4 0 R",
      "preferredcontents": "8 0 R",
      "preferredname": "att1.txt"
    },
    "att2": {
      "filespec": "5 0 R",
      "preferredcontents": "10 0 R",
      "preferredname": "att2.txt"
    },
    "att3": {
      "filespec": "6 0 R",
      "preferredcontents": "12 0 R",
      "preferredname": "π.txt"
    }
  },
  "parameters": {
    "decodelevel": "generalized"
  },
  "version": 1
}
