{
  "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": [{"$ref": "#/definitions/positiveInteger"}, {"default": 0}]
    },
    "simpleTypes": {
      "enum": [
        "array",
        "boolean",
        "integer",
        "null",
        "number",
        "object",
        "string"
      ]
    },
    "stringArray": {
      "type": "array",
      "items": {"type": "string"},
      "minItems": 1,
      "uniqueItems": true
    },
    "default": {
      "type": "object",
      "properties": {
        "id": {
          "type": "string"
        },
        "$schema": {
          "type": "string"
        },
        "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
            }
          ]
        },
        "format": {"type": "string"},
        "allOf": {"$ref": "#/definitions/schemaArray"},
        "anyOf": {"$ref": "#/definitions/schemaArray"},
        "oneOf": {"$ref": "#/definitions/schemaArray"},
        "not": {"$ref": "#"}
      },
      "dependencies": {
        "exclusiveMaximum": ["maximum"],
        "exclusiveMinimum": ["minimum"]
      }
    }
  }
}