json_schema: {
      "$schema": "http://json-schema.org/draft-04/schema#",
      "type": "object",
      "additionalProperties": false,
      "properties": {
          "title": {
              "type": "string"
          },
          "icon": {
              "type": "string"
          },
          "background": {
              "type": "string"
          },
          "background-color": {
              "type": "string",
              "format": "css-color"
          },
          "icon-size": {
              "type": "integer"
          },
          "window": {
              "type": "object",
              "properties": {
                  "position": {
                      "type": "object",
                      "properties": {
                          "x": {
                              "type": "integer"
                          },
                          "y": {
                              "type": "integer"
                          }
                      },
                      "required": [
                          "x",
                          "y"
                      ]
                  },
                  "size": {
                      "type": "object",
                      "properties": {
                          "width": {
                              "type": "integer"
                          },
                          "height": {
                              "type": "integer"
                          }
                      },
                      "required": [
                          "width",
                          "height"
                      ]
                  }
              }
          },
          "format": {
              "type": "string",
              "enum": [
                  "UDRW",
                  "UDRO",
                  "UDCO",
                  "UDZO",
                  "ULFO",
                  "UDBZ"
              ]
          },
          "contents": {
              "type": "array",
              "items": {
                  "type": "object",
                  "properties": {
                      "x": {
                          "type": "integer"
                      },
                      "y": {
                          "type": "integer"
                      },
                      "type": {
                          "type": "string",
                          "enum": [
                              "link",
                              "file",
                              "position"
                          ]
                      },
                      "path": {
                          "type": "string"
                      },
                      "name": {
                          "type": "string"
                      }
                  },
                  "required": [
                      "x",
                      "y",
                      "type",
                      "path"
                  ]
              }
          },
          "code-sign": {
              "type": "object",
              "properties": {
                  "signing-identity": {
                      "type": "string"
                  },
                  "identifier": {
                      "type": "string"
                  }
              },
              "required": [
                  "signing-identity"
              ]
          }
      },
      "required": [
          "title",
          "contents"
      ]
  }