{
  "allOf": [
    {
      "allOf": [
        {
          "type": "object",
          "properties": {
            "foo": {
              "type": "object",
              "properties": {
                "user": {
                  "$ref": "#/allOf/0/allOf/0/properties/foo/definitions/event"
                }
              },
              "definitions": {
                "event": {
                  "allOf": [
                    {
                      "type": "object",
                      "properties": {
                        "names": {
                          "items": {
                            "$ref": "#/allOf/0/allOf/0/properties/foo/definitions/event/allOf/0/properties/name"
                          }
                        },
                        "users": {
                          "type": "array",
                          "items": {
                            "type": "object",
                            "properties": {
                              "creation": {
                                "$ref": "#/allOf/0/allOf/0/properties/foo"
                              },
                              "foo": {
                                "$ref": "#/allOf/0/allOf/0/properties/foo/definitions/event/allOf/0/properties/contacts"
                              },
                              "products": {
                                "$ref": "#/allOf/0/allOf/0/properties/foo/definitions/event/allOf/0/properties/contacts"
                              }
                            }
                          }
                        }
                      }
                    }
                  ]
                }
              }
            }
          }
        }
      ]
    },
    {
      "type": "object",
      "properties": {
        "bar": {
          "allOf": [
            {
              "$ref": "#/allOf/0/allOf/0"
            }
          ]
        }
      }
    }
  ]
}