{
  "webextensions": {
    "api": {
      "permissions": {
        "contains": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/API/permissions/contains",
            "support": {
              "chrome": {
                "version_added": true
              },
              "edge": {
                "version_added": false
              },
              "firefox": {
                "version_added": "55"
              },
              "firefox_android": {
                "version_added": "55"
              },
              "opera": {
                "version_added": true
              }
            }
          }
        },
        "getAll": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/API/permissions/getAll",
            "support": {
              "chrome": {
                "version_added": true
              },
              "edge": {
                "version_added": false
              },
              "firefox": {
                "version_added": "55"
              },
              "firefox_android": {
                "version_added": "55"
              },
              "opera": {
                "version_added": true
              }
            }
          }
        },
        "onAdded": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/API/permissions/onAdded",
            "support": {
              "chrome": {
                "version_added": true
              },
              "edge": {
                "version_added": false
              },
              "firefox": {
                "version_added": false
              },
              "firefox_android": {
                "version_added": false
              },
              "opera": {
                "version_added": true
              }
            }
          }
        },
        "onRemoved": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/API/permissions/onRemoved",
            "support": {
              "chrome": {
                "version_added": true
              },
              "edge": {
                "version_added": false
              },
              "firefox": {
                "version_added": false
              },
              "firefox_android": {
                "version_added": false
              },
              "opera": {
                "version_added": true
              }
            }
          }
        },
        "Permissions": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/API/permissions/Permissions",
            "support": {
              "chrome": {
                "version_added": true
              },
              "edge": {
                "version_added": false
              },
              "firefox": {
                "version_added": "55"
              },
              "firefox_android": {
                "version_added": "55"
              },
              "opera": {
                "version_added": true
              }
            }
          }
        },
        "remove": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/API/permissions/remove",
            "support": {
              "chrome": {
                "version_added": true
              },
              "edge": {
                "version_added": false
              },
              "firefox": {
                "version_added": "55"
              },
              "firefox_android": {
                "version_added": "55"
              },
              "opera": {
                "version_added": true
              }
            }
          }
        },
        "request": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/API/permissions/request",
            "support": {
              "chrome": {
                "version_added": true
              },
              "edge": {
                "version_added": false
              },
              "firefox": [
                {
                  "version_added": "55",
                  "notes": [
                    "The user will be prompted again for permissions that have been previously granted and then removed.",
                    "It's not possible to request permissions from a popup or a sidebar document."
                  ]
                },
                {
                  "version_added": "56",
                  "version_removed": "61",
                  "notes": [
                    "It's not possible to request permissions from an options page that's embedded in about:addons. To request permissions from an options page, set the <code>open_in_tab</code> property in the <code>options_ui</code> manifest key, so the options page opens in its own tab."
                  ]
                }
              ],
              "firefox_android": [
                {
                  "version_added": "55",
                  "notes": [
                    "The user will be prompted again for permissions that have been previously granted and then removed.",
                    "It's not possible to request permissions from a popup or a sidebar document."
                  ]
                },
                {
                  "version_added": "56",
                  "version_removed": "61",
                  "notes": [
                    "It's not possible to request permissions from an options page that's embedded in about:addons. To request permissions from an options page, set the <code>open_in_tab</code> property in the <code>options_ui</code> manifest key, so the options page opens in its own tab."
                  ]
                }
              ],
              "opera": {
                "version_added": true
              }
            }
          }
        }
      }
    }
  }
}