{
  # option definition config
  # options
  "Dhcp4": {
    "option-def": [
      {
        "space": "foobar",
        "name": "fmt-f",
        "code": 1,
        "type": "boolean"
      },
      {
        "space": "foobar",
        "name": "fmt-b-i8",
        "code": 2,
        "type": "int8"
      },
      {
        "space": "foobar",
        "name": "fmt-b-si8",
        "code": 3,
        "type": "int8"
      },
      {
        "space": "foobar",
        "name": "fmt-B-ui8",
        "code": 4,
        "type": "uint8"
      },
      {
        "space": "foobar",
        "name": "fmt-s-i16",
        "code": 5,
        "type": "int16"
      },
      {
        "space": "foobar",
        "name": "fmt-s-si16",
        "code": 6,
        "type": "int16"
      },
      {
        "space": "foobar",
        "name": "fmt-S-ui16",
        "code": 7,
        "type": "uint16"
      },
      {
        "space": "foobar",
        "name": "fmt-l-i32",
        "code": 8,
        "type": "int32"
      },
      {
        "space": "foobar",
        "name": "fmt-l-si32",
        "code": 9,
        "type": "int32"
      },
      {
        "space": "foobar",
        "name": "fmt-L-ui32",
        "code": 10,
        "type": "uint32"
      },
      {
        "space": "foobar",
        "name": "fmt-I",
        "code": 11,
        "type": "ipv4-address"
      },
      {
        "space": "foobar",
        "name": "fmt-6",
        "code": 12,
        "type": "ipv6-address"
      },
      {
        "space": "foobar",
        "name": "fmt-d",
        "code": 13,
        "type": "fqdn"
      },
      {
        "space": "foobar",
        "name": "fmt-D-list",
        "code": 14,
        "array": true,
        "type": "fqdn"
      },
      {
        "space": "foobar",
        "name": "fmt-Dc",
        "code": 15,
        "array": true,
        "type": "fqdn"
      },
      {
        "space": "foobar",
        "name": "fmt-t",
        "code": 16,
        "type": "string"
      },
      {
        "space": "foobar",
        "name": "fmt-X",
        "code": 17,
        "type": "string"
      },
      {
        "space": "foobar",
        "name": "fmt-Z",
        "code": 18,
        "type": "empty"
      },
      {
        "space": "foobar",
        "name": "fmt-Ba",
        "code": 50,
        "array": true,
        "type": "uint8"
      },
      {
        "space": "foobar",
        "name": "fmt-fB",
        "code": 100,
        "record-types": "boolean, uint8",
        "type": "record"
      },
      /// unsupported array inside a record
      {
        "space": "foobar",
        "name": "fmt-Ia",
        "code": 150,
//      "array": true,
//      "definition": "{ uint32, array of boolean}",
        /// Option definition is not compatible with Kea
        /// Fallback to full binary
        "type": "binary"
      }
    ]
  }
}