{
  "id": "http://json-schema.org/draft-04/schema#",
  "$schema": "http://json-schema.org/draft-04/schema#",
  "description": "Core schema meta-schema",
  "definitions": {
    "schemaArray": {
      "type": "array",
      "minItems": 1,
      "items": {"$ref": "#"}
    },
    "positiveInteger": {
      "type": "integer",
      "minimum": 0
    },
    "positiveIntegerDefault0": {
      "allOf": [{"$ref": "#/definitions/positiveInteger"}, {"default": 0}]
    },
    "simpleTypes": {
      "enum": ["array", "boolean", "integer", "null", "number", "object", "string"]
    },
    "stringArray": {
      "type": "array",
      "items": {"type": "string"},
      "minItems": 1,
      "uniqueItems": true
    }
  },
  "type": "object",
  "properties": {
    "id": {
      "type": "string",
      "format": "uri"
    },
    "$schema": {
      "type": "string",
      "format": "uri"
    },
    "title": {
      "type": "string"
    },
    "description": {
      "type": "string"
    },
    "default": {},
    "multipleOf": {
      "type": "number",
      "minimum": 0,
      "exclusiveMinimum": true
    },
    "maximum": {
      "type": "number"
    },
    "exclusiveMaximum": {
      "type": "boolean",
      "default": false
    },
    "minimum": {
      "type": "number"
    },
    "exclusiveMinimum": {
      "type": "boolean",
      "default": false
    },
    "maxLength": {"$ref": "#/definitions/positiveInteger"},
    "minLength": {"$ref": "#/definitions/positiveIntegerDefault0"},
    "pattern": {
      "type": "string",
      "format": "regex"
    },
    "additionalItems": {
      "anyOf": [{"type": "boolean"}, {"$ref": "#"}],
      "default": {}
    },
    "items": {
      "anyOf": [{"$ref": "#"}, {"$ref": "#/definitions/schemaArray"}],
      "default": {}
    },
    "maxItems": {"$ref": "#/definitions/positiveInteger"},
    "minItems": {"$ref": "#/definitions/positiveIntegerDefault0"},
    "uniqueItems": {
      "type": "boolean",
      "default": false
    },
    "maxProperties": {"$ref": "#/definitions/positiveInteger"},
    "minProperties": {"$ref": "#/definitions/positiveIntegerDefault0"},
    "required": {"$ref": "#/definitions/stringArray"},
    "additionalProperties": {
      "anyOf": [{"type": "boolean"}, {"$ref": "#"}],
      "default": {}
    },
    "definitions": {
      "type": "object",
      "additionalProperties": {"$ref": "#"},
      "default": {}
    },
    "properties": {
      "type": "object",
      "additionalProperties": {"$ref": "#"},
      "default": {}
    },
    "patternProperties": {
      "type": "object",
      "additionalProperties": {"$ref": "#"},
      "default": {}
    },
    "dependencies": {
      "type": "object",
      "additionalProperties": {
        "anyOf": [{"$ref": "#"}, {"$ref": "#/definitions/stringArray"}]
      }
    },
    "enum": {
      "type": "array",
      "minItems": 1,
      "uniqueItems": true
    },
    "type": {
      "anyOf": [
        {"$ref": "#/definitions/simpleTypes"},
        {
          "type": "array",
          "items": {"$ref": "#/definitions/simpleTypes"},
          "minItems": 1,
          "uniqueItems": true
        }
      ]
    },
    "allOf": {"$ref": "#/definitions/schemaArray"},
    "anyOf": {"$ref": "#/definitions/schemaArray"},
    "oneOf": {"$ref": "#/definitions/schemaArray"},
    "not": {"$ref": "#"}
  },
  "dependencies": {
    "exclusiveMaximum": ["maximum"],
    "exclusiveMinimum": ["minimum"]
  },
  "default": {}
}