json_schema: {
      "$schema": "http://json-schema.org/draft-04/schema#",
      "type": "object",
      "properties": {
          "packages": {
              "type": "array",
              "items": {
                  "type": "object",
                  "properties": {
                      "name": {
                          "type": "string"
                      },
                      "currentVersion": {
                          "type": "string"
                      },
                      "description": {
                          "type": "string"
                      },
                      "framework": {
                          "type": "boolean"
                      },
                      "selected": {
                          "type": "boolean"
                      },
                      "images": {
                          "type": "object",
                          "properties": {
                              "icon-small": {
                                  "type": "string"
                              },
                              "icon-medium": {
                                  "type": "string"
                              },
                              "icon-large": {
                                  "type": "string"
                              },
                              "screenshots": {
                                  "type": "array",
                                  "items": {
                                      "type": "string"
                                  }
                              }
                          },
                          "additionalProperties": false
                      },
                      "tags": {
                          "type": "array",
                          "items": {
                              "type": "string",
                              "pattern": "^[^\\s]+$"
                          }
                      },
                      "versions": {
                          "type": "object",
                          "patternProperties": {
                              ".{1,}": {
                                  "type": "string"
                              }
                          },
                          "additionalProperties": true
                      }
                  },
                  "required": [
                      "name",
                      "currentVersion",
                      "versions",
                      "description",
                      "framework",
                      "tags"
                  ],
                  "additionalProperties": false
              }
          }
      },
      "additionalProperties": false
  }