{
  "$schema": "http://json-schema.org/draft-07/schema",
  "title": "JSON schema for .circleci/config.yml",
  "definitions": {
    "default": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "xcode": {
            "description": "The version of Xcode that is installed on the virtual machine",
            "type": "string",
            "examples": ["9.0"]
          }
        }
      }
    }
  }
}