{
  "boundary": "finite state arithmetic only; no QUIC or HTTP/3 packets are sent",
  "client_bidirectional_request_streams": [
    0,
    4,
    8
  ],
  "header_blocks": [
    {
      "required_insert_count": 3,
      "stream_id": 0
    },
    {
      "required_insert_count": 0,
      "stream_id": 4
    },
    {
      "required_insert_count": 2,
      "stream_id": 8
    }
  ],
  "qpack_insert_count_2": {
    "blocked": [
      0
    ],
    "ready": [
      4,
      8
    ]
  },
  "qpack_insert_count_3": {
    "blocked": [],
    "ready": [
      0,
      4,
      8
    ]
  },
  "selection": {
    "h3_selected": "HTTP/3",
    "udp_blocked_http3_only": "FAIL",
    "udp_blocked_with_fallback": "NEW_TCP_CONNECTION"
  }
}