{
  "type": "object",
  "propertyNames": {
    "anyOf": [
      {
        "minLength": 10
      },
      {
        "$ref": "#/definitions/props"
      },
      {
        "oneOf": [
          {
            "enum": [
              "z",
              "a",
              "b"
            ]
          },
          {
            "$ref": "#/definitions/xyz"
          }
        ]
      }
    ]
  },
  "definitions": {
    "props": {
      "minLength": 2,
      "pattern": "[A-Z]{2,}"
    },
    "xyz": {
      "enum": [
        "x",
        "y",
        "z"
      ]
    }
  }
}