{
  "nftables": [
    {
      "metainfo": {
        "version": "VERSION",
        "release_name": "RELEASE_NAME",
        "json_schema_version": 1
      }
    },
    {
      "table": {
        "family": "inet",
        "name": "x",
        "handle": 0
      }
    },
    {
      "chain": {
        "family": "inet",
        "table": "x",
        "name": "y",
        "handle": 0,
        "type": "filter",
        "hook": "input",
        "prio": 0,
        "policy": "accept"
      }
    },
    {
      "synproxy": {
        "family": "inet",
        "name": "https-synproxy",
        "table": "x",
        "handle": 0,
        "mss": 1460,
        "wscale": 7,
        "flags": [
          "timestamp",
          "sack-perm"
        ]
      }
    },
    {
      "synproxy": {
        "family": "inet",
        "name": "other-synproxy",
        "table": "x",
        "handle": 0,
        "mss": 1460,
        "wscale": 5
      }
    },
    {
      "map": {
        "family": "inet",
        "name": "test2",
        "table": "x",
        "type": "ipv4_addr",
        "handle": 0,
        "map": "synproxy",
        "flags": [
          "interval"
        ],
        "elem": [
          [
            {
              "prefix": {
                "addr": "192.168.1.0",
                "len": 24
              }
            },
            "https-synproxy"
          ],
          [
            {
              "prefix": {
                "addr": "192.168.2.0",
                "len": 24
              }
            },
            "other-synproxy"
          ]
        ]
      }
    },
    {
      "rule": {
        "family": "inet",
        "table": "x",
        "chain": "y",
        "handle": 0,
        "expr": [
          {
            "synproxy": {
              "map": {
                "key": {
                  "payload": {
                    "protocol": "ip",
                    "field": "saddr"
                  }
                },
                "data": {
                  "set": [
                    [
                      {
                        "prefix": {
                          "addr": "192.168.1.0",
                          "len": 24
                        }
                      },
                      "https-synproxy"
                    ],
                    [
                      {
                        "prefix": {
                          "addr": "192.168.2.0",
                          "len": 24
                        }
                      },
                      "other-synproxy"
                    ]
                  ]
                }
              }
            }
          }
        ]
      }
    }
  ]
}