{
  "composedtype": {
    "uri": "tag:www.example.com:types/rx/person",
    "prefix": ["example", "tag:www.example.com:types/rx/"],
    "schema": {
      "type": "//rec",
      "required": { "firstname": "//str",
                    "lastname": "//str" },
      "optional": { "middlename": "//str" }
    }
  },

  "schema": { "type": "/example/person" },

  "pass": {
    "person": [ "first-last", "first-middle-last" ]
  },

  "fail": {
    "arr" : { "*": { "data": [ ], "check": [ ], "error": [ "type" ] } },
    "bool": { "*": { "data": [ ], "check": [ ], "error": [ "type" ] } },
    "null": { "*": { "data": [ ], "check": [ ], "error": [ "type" ] } },
    "num" : { "*": { "data": [ ], "check": [ ], "error": [ "type" ] } },
    "str" : { "*": { "data": [ ], "check": [ ], "error": [ "type" ] } },
    "person": {
      "empty": { "data": [ ], "error": [ "missing" ] },
      "first": { "data": [ ], "check": [ ], "error": [ "missing" ] },
      "first-last-unknown": { "data": [ ], "check": [ ], "error": [ "unexpected" ] },
      "first-last-null": { "data": [ "lastname" ], "check": [ "required", "lastname" ], "error": [ "type" ] },
      "unknown": { "data": [ ], "check": [ ], "error": [ "unexpected" ] }
    }
  }
}