json_schema: {
      "$schema": "http://json-schema.org/draft-04/schema#",
      "title": "org.eclipse.persistence.testing.jaxb.annotations.xmlidref.self.Customer",
      "type": "object",
      "properties": {
          "customer": {
              "type": "object",
              "properties": {
                  "address": {
                      "$ref": "#/definitions/AddressSelfSource"
                  },
                  "phoneNumber": {
                      "$ref": "#/definitions/PhoneNumber"
                  }
              },
              "additionalProperties": false
          }
      },
      "definitions": {
          "AddressSelfSource": {
              "type": "object",
              "properties": {
                  "contact": {
                      "$ref": "#/definitions/Contact"
                  }
              },
              "additionalProperties": false
          },
          "Contact": {
              "type": "object",
              "properties": {
                  "idRefPhoneNumber": {
                      "type": "string"
                  },
                  "idRefPhoneNumbers": {
                      "type": "object",
                      "properties": {
                          "idRefPhoneNumber": {
                              "type": "array",
                              "items": {
                                  "type": "string"
                              }
                          }
                      }
                  }
              },
              "additionalProperties": false
          },
          "PhoneNumber": {
              "type": "object",
              "properties": {
                  "id": {
                      "type": "string"
                  }
              },
              "additionalProperties": false
          }
      }
  }