[
  {
    "namespace": "manifest",
    "types": [
      {
        "id": "WebExtensionManifest",
        "type": "object",
        "description": "Represents a WebExtension manifest.json file",
        "properties": {
          "manifest_version": {
            "type": "integer",
            "minimum": 2,
            "maximum": 2
          },

          "minimum_chrome_version":{
            "type": "string",
            "optional": true
          },

          "applications": {
            "type": "object",
            "optional": true,
            "properties": {
              "gecko": {
                "$ref": "FirefoxSpecificProperties",
                "optional": true
              }
            }
          },

          "browser_specific_settings": {
            "type": "object",
            "optional": true,
            "properties": {
              "gecko": {
                "$ref": "FirefoxSpecificProperties",
                "optional": true
              }
            }
          },

          "name": {
            "type": "string",
            "optional": false,
            "preprocess": "localize"
          },

          "short_name": {
            "type": "string",
            "optional": true,
            "preprocess": "localize"
          },

          "description": {
            "type": "string",
            "optional": true,
            "preprocess": "localize"
          },

          "author": {
            "type": "string",
            "optional": true,
            "preprocess": "localize",
            "onError": "warn"
          },

          "version": {
            "type": "string",
            "optional": false
          },

          "homepage_url": {
            "type": "string",
            "format": "url",
            "optional": true,
            "preprocess": "localize"
          },

          "icons": {
            "type": "object",
            "optional": true,
            "patternProperties": {
              "^[1-9]\\d*$": { "type": "string" }
            }
          },

          "incognito": {
            "type": "string",
            "enum": ["spanning"],
            "optional": true,
            "onError": "warn"
          },

          "background": {
            "choices": [
              {
                "type": "object",
                "properties": {
                  "page": { "$ref": "ExtensionURL" },
                  "persistent": {
                    "optional": true,
                    "$ref": "PersistentBackgroundProperty"
                  }
                },
                "additionalProperties": { "$ref": "UnrecognizedProperty" }
              },
              {
                "type": "object",
                "properties": {
                  "scripts": {
                    "type": "array",
                    "items": { "$ref": "ExtensionURL" }
                  },
                  "persistent": {
                    "optional": true,
                    "$ref": "PersistentBackgroundProperty"
                  }
                },
                "additionalProperties": { "$ref": "UnrecognizedProperty" }
              }
            ],
            "optional": true
          },

          "options_ui": {
            "type": "object",

            "optional": true,

            "properties": {
              "page": { "$ref": "ExtensionURL" },
              "browser_style": {
                "type": "boolean",
                "optional": true
              },
              "chrome_style": {
                "type": "boolean",
                "optional": true
              },
              "open_in_tab": {
                "type": "boolean",
                "optional": true
              }
            },

            "additionalProperties": {
              "type": "any",
              "deprecated": "An unexpected property was found in the WebExtension manifest"
            }
          },

          "content_scripts": {
            "type": "array",
            "optional": true,
            "items": { "$ref": "ContentScript" }
          },

          "content_security_policy": {
            "type": "string",
            "optional": true,
            "format": "contentSecurityPolicy",
            "onError": "warn"
          },

          "permissions": {
            "type": "array",
            "items": {
              "choices": [
                { "$ref": "Permission" },
                {
                  "type": "string",
                  "deprecated": "Unknown permission ${value}"
                }
              ]
            },
            "optional": true
          },

          "web_accessible_resources": {
            "type": "array",
            "items": { "type": "string" },
            "optional": true
          },

          "developer": {
            "type": "object",
            "optional": true,
            "properties": {
              "name": {
                "type": "string",
                "optional": true,
                "preprocess": "localize"
              },
              "url": {
                "type": "string",
                "optional": true,
                "preprocess": "localize"
              }
            }
          }

        },

        "additionalProperties": { "$ref": "UnrecognizedProperty" }
      },
      {
        "id": "Permission",
        "choices": [
          {
            "type": "string",
            "enum": [
              "alarms",
              "clipboardWrite",
              "idle",
              "notifications",
              "storage"
            ]
          },
          { "$ref": "MatchPattern" }
        ]
      },
      {
        "id": "ExtensionURL",
        "type": "string",
        "format": "strictRelativeUrl"
      },
      {
        "id": "ExtensionID",
        "choices": [
          {
            "type": "string",
            "pattern": "(?i)^\\{[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}\\}$"
          },
          {
            "type": "string",
            "pattern": "(?i)^[a-z0-9-._]*@[a-z0-9-._]+$"
          }
        ]
      },
      {
        "id": "FirefoxSpecificProperties",
        "type": "object",
        "properties": {
          "id": {
            "$ref": "ExtensionID",
            "optional": true
          },

          "update_url": {
            "type": "string",
            "format": "url",
            "optional": true
          },

          "strict_min_version": {
            "type": "string",
            "optional": true
          },

          "strict_max_version": {
            "type": "string",
            "optional": true
          }
        }
      },
      {
        "id": "MatchPattern",
        "choices": [
          {
            "type": "string",
            "enum": ["<all_urls>"]
          },
          {
            "type": "string",
            "pattern": "^(https?|file|ftp|\\*)://(\\*|\\*\\.[^*/]+|[^*/]+)/.*$"
          },
          {
            "type": "string",
            "pattern": "^file:///.*$"
          }
        ]
      },
      {
        "id": "ContentScript",
        "type": "object",
        "description": "Details of the script or CSS to inject. Either the code or the file property must be set, but both may not be set at the same time. Based on InjectDetails, but using underscore rather than camel case naming conventions.",
        "additionalProperties": { "$ref": "UnrecognizedProperty" },
        "properties": {
          "matches": {
            "type": "array",
            "optional": false,
            "minItems": 1,
            "items": { "$ref": "MatchPattern" }
          },
          "exclude_matches": {
            "type": "array",
            "optional": true,
            "minItems": 1,
            "items": { "$ref": "MatchPattern" }
          },
          "include_globs": {
            "type": "array",
            "optional": true,
            "items": { "type": "string" }
          },
          "exclude_globs": {
            "type": "array",
            "optional": true,
            "items": { "type": "string" }
          },
          "css": {
            "type": "array",
            "optional": true,
            "description": "The list of CSS files to inject",
            "items": { "$ref": "ExtensionURL" }
          },
          "js": {
            "type": "array",
            "optional": true,
            "description": "The list of CSS files to inject",
            "items": { "$ref": "ExtensionURL" }
          },
          "all_frames": {"type": "boolean", "optional": true, "description": "If allFrames is <code>true</code>, implies that the JavaScript or CSS should be injected into all frames of current page. By default, it's <code>false</code> and is only injected into the top frame."},
          "match_about_blank": {"type": "boolean", "optional": true, "description": "If matchAboutBlank is true, then the code is also injected in about:blank and about:srcdoc frames if your extension has access to its parent document. Code cannot be inserted in top-level about:-frames. By default it is <code>false</code>."},
          "run_at": {
            "$ref": "extensionTypes.RunAt",
            "optional": true,
            "description": "The soonest that the JavaScript or CSS will be injected into the tab. Defaults to \"document_idle\"."
          }
        }
      },
      {
        "id": "IconPath",
        "choices": [
          {
            "type": "object",
            "patternProperties": {
              "^[1-9]\\d*$": { "$ref": "ExtensionURL" }
            },
            "additionalProperties": false
          },
          { "$ref": "ExtensionURL" }
        ]
      },
      {
        "id": "IconImageData",
        "choices": [
          {
            "type": "object",
            "patternProperties": {
              "^[1-9]\\d*$": { "$ref": "ImageData" }
            },
            "additionalProperties": false
          },
          { "$ref": "ImageData" }
        ]
      },
      {
        "id": "ImageData",
        "type": "object",
        "isInstanceOf": "ImageData",
        "postprocess": "convertImageDataToURL"
      },
      {
        "id": "UnrecognizedProperty",
        "type": "any",
        "deprecated": "An unexpected property was found in the WebExtension manifest."
      },
      {
        "id": "PersistentBackgroundProperty",
        "type": "boolean",
        "deprecated": "Event pages are not currently supported. This will run as a persistent background page."
      }
    ]
  }
]
