{
  "$schema": "http://json-schema.org/draft-06/schema#",
  "id": "definitions",
  "definitions": {
    "id": {
      "description": "Unique identifier",
      "example": 123456,
      "readOnly": true,
      "type": "integer",
      "minimum": 1
    },
    "_id": {
      "description": "Unique identifier",
      "example": "dfgbkjwj23asdad23gbweg",
      "readOnly": true,
      "type": "string",
      "minLength": 1
    },
    "hostname": {
      "definition": "Fully Qualified Host Name",
      "type": "string",
      "minLength": 2,
      "example": "myhost.example.com"
    },
    "expand": {
      "anyOf": [
        {
          "type": "null"
        },
        {
          "type": "array",
          "minItems": 1,
          "items": {
            "type": "string"
          }
        }
      ]
    },
    "sort": {
      "type": "array",
      "minItems": 1,
      "items": {
        "type": "object",
        "required": [
          "field",
          "dir"
        ],
        "additionalProperties": false,
        "properties": {
          "field": {
            "type": "string"
          },
          "dir": {
            "type": "string",
            "pattern": "^(asc|desc)$"
          }
        }
      }
    }
  }
}