{
  "$schema": "http://json-schema.org/schema#",
  "type": "array",
  "items": {
    "type": "object",
    "additionalProperties": false,
    "properties": {
      "id": {
        "type": "string"
      },
      "name": {
        "type": "string"
      },
      "description": {
        "type": "string"
      },
      "screenshotUrl": {
        "type": "string"
      },
      "helpUrl": {
        "type": "string"
      },
      "vendor": {
        "type": "string"
      },
      "markerClass": {
        "type": [
          "null",
          "string"
        ]
      },
      "versions": {
        "type": "object",
        "properties": {
          "": {
            "type": "object",
            "additionalProperties": false,
            "properties": {
              "downloadUrl": {
                "type": "string"
              },
              "libs": {
                "type": "object",
                "patternProperties": {
                  ".+": {
                    "type": "string"
                  }
                }
              }
            },
            "required": [
              "downloadUrl"
            ]
          }
        },
        "patternProperties": {
          "^\\d+(\\.\\d+)*(-\\w+)?$": {
            "type": "object",
            "additionalProperties": false,
            "properties": {
              "downloadUrl": {
                "type": [
                  "null",
                  "string"
                ]
              },
              "depends": {
                "type": "array",
                "items": {
                  "type": "string"
                }
              },
              "changes": {
                "type": "string"
              },
              "libs": {
                "type": "object",
                "patternProperties": {
                  ".+": {
                    "type": "string"
                  }
                }
              }
            },
            "required": [
              "downloadUrl"
            ]
          }
        }
      },
      "componentClasses": {
        "type": "array",
        "items": {
          "type": "string"
        }
      },
      "canUninstall": {
        "type": "boolean"
      },
      "installerClass": {
        "type": "string"
      }
    },
    "required": [
      "description",
      "helpUrl",
      "id",
      "markerClass",
      "name",
      "screenshotUrl",
      "vendor",
      "versions"
    ]
  }
}