json_schema: {
      "$schema": "http://json-schema.org/draft-04/schema#",
      "name": "Package",
      "type": "object",
      "additionalProperties": false,
      "required": [
          "name",
          "description",
          "version",
          "update-type",
          "maintainer",
          "changelog",
          "filemapping"
      ],
      "properties": {
          "name": {
              "type": "string",
              "description": "Package name"
          },
          "description": {
              "type": "string",
              "description": "Short package description."
          },
          "version": {
              "type": "string",
              "description": "Package version, see http://semver.org for more info on valid schemes."
          },
          "update-type": {
              "description": "Package update type, either 'minor' for minor releases, 'security' for security issues etc. or a custom type ([a-z0-9-]+) defined by whatever this package applies to.",
              "type": "string"
          },
          "maintainer": {
              "type": "string",
              "description": "Package maintainer name."
          },
          "changelog": {
              "type": "array",
              "description": "List of all changes that will be applied (changelog).",
              "items": {
                  "type": "string",
                  "additionalProperties": false
              }
          },
          "filemapping": {
              "type": "array",
              "description": "List of all files that will be removed, modified or added when upgrading the app.",
              "items": {
                  "type": "string",
                  "additionalProperties": false
              }
          },
          "include": {
              "type": "string",
              "description": "A list of paths to include."
          },
          "time": {
              "type": "string",
              "description": "Package release date, in 'YYYY-MM-DD', 'YYYY-MM-DD HH:MM:SS' or 'YYYY-MM-DDTHH:MM:SSZ' format."
          }
      }
  }