{
  "$schema": "http://json-schema.org/draft-06/schema#",
  "$id": "http://json-schema.org/draft-06/schema#",
  "title": "Core schema meta-schema",
  "definitions": {
    "schemaArray": { "type": "array", "minItems": 1, "items": { "$ref": "#" } },
    "nonNegativeInteger": { "type": "integer", "minimum": 0 },
    "nonNegativeIntegerDefault0": { "allOf": [
      { "$ref": "#/definitions/nonNegativeInteger" }, { "default": 0 }
    ] },
    "simpleTypes": { "enum": [
      "array", "boolean", "integer", "null", "number", "object", "string"
    ] },
    "stringArray": {
      "type": "array", "items": { "type": "string" }, "uniqueItems": true, "default": []
    }
  },
  "type": [ "object", "boolean" ],
  "properties": {
    "$id": { "type": "string", "format": "uri-reference" },
    "$schema": { "type": "string", "format": "uri" },
    "$ref": { "type": "string", "format": "uri-reference" },
    "title": { "type": "string" },
    "description": { "type": "string" },
    "default": {},
    "multipleOf": { "type": "number", "exclusiveMinimum": 0 },
    "maximum": { "type": "number" },
    "exclusiveMaximum": { "type": "number" },
    "minimum": { "type": "number" },
    "exclusiveMinimum": { "type": "number" },
    "maxLength": { "$ref": "#/definitions/nonNegativeInteger" },
    "minLength": { "$ref": "#/definitions/nonNegativeIntegerDefault0" },
    "pattern": { "type": "string", "format": "regex" },
    "additionalItems": { "$ref": "#" },
    "items": {
      "anyOf": [ { "$ref": "#" }, { "$ref": "#/definitions/schemaArray" } ],
      "default": {}
    },
    "maxItems": { "$ref": "#/definitions/nonNegativeInteger" },
    "minItems": { "$ref": "#/definitions/nonNegativeIntegerDefault0" },
    "uniqueItems": { "type": "boolean", "default": false },
    "contains": { "$ref": "#" },
    "maxProperties": { "$ref": "#/definitions/nonNegativeInteger" },
    "minProperties": { "$ref": "#/definitions/nonNegativeIntegerDefault0" },
    "required": { "$ref": "#/definitions/stringArray" },
    "additionalProperties": { "$ref": "#" },
    "definitions": {
      "type": "object", "additionalProperties": { "$ref": "#" }, "default": {}
    },
    "properties": {
      "type": "object", "additionalProperties": { "$ref": "#" }, "default": {}
    },
    "patternProperties": {
      "type": "object", "additionalProperties": { "$ref": "#" }, "default": {}
    },
    "dependencies": { "type": "object", "additionalProperties": {
      "anyOf": [ { "$ref": "#" }, { "$ref": "#/definitions/stringArray" } ]
    } },
    "propertyNames": { "$ref": "#" },
    "const": {},
    "enum": { "type": "array", "minItems": 1, "uniqueItems": true },
    "type": { "anyOf": [
      { "$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": "#" }
  },
  "default": {}
}