minimum": 0,
        "examples": [28, 32]
      },
      "job": {
        "$ref": "job"
      }
    },
    "required": ["firstName", "lastName"]
  };

  var job = {
    "title": "Job description",
    "type": "object",
    "required": ["address"],
    "properties": {
      "company": {
        "type": "string",
        "examples": [
          "ACME",
          "Dexter Industries"
        ]
      },
      "role": {
        "description": "Job title.",
        "type": "string",
        "examples": [
         