{
  "api": {
    "BackgroundFetchUpdateUIEvent": {
      "__compat": {
        "mdn_url": "https://developer.mozilla.org/docs/Web/API/BackgroundFetchUpdateUIEvent",
        "spec_url": "https://wicg.github.io/background-fetch/#background-fetch-update-ui-event",
        "support": {
          "chrome": {
            "version_added": "74"
          },
          "chrome_android": "mirror",
          "edge": "mirror",
          "firefox": {
            "version_added": false
          },
          "firefox_android": "mirror",
          "ie": {
            "version_added": false
          },
          "oculus": "mirror",
          "opera": "mirror",
          "opera_android": "mirror",
          "safari": {
            "version_added": false
          },
          "safari_ios": "mirror",
          "samsunginternet_android": "mirror",
          "webview_android": {
            "version_added": false
          }
        },
        "status": {
          "experimental": true,
          "standard_track": true,
          "deprecated": false
        }
      },
      "BackgroundFetchUpdateUIEvent": {
        "__compat": {
          "description": "<code>BackgroundFetchUpdateUIEvent()</code> constructor",
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/BackgroundFetchUpdateUIEvent/BackgroundFetchUpdateUIEvent",
          "spec_url": "https://wicg.github.io/background-fetch/#dom-backgroundfetchupdateuievent-backgroundfetchupdateuievent",
          "support": {
            "chrome": {
              "version_added": "74"
            },
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": {
              "version_added": false
            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": false
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": {
              "version_added": false
            }
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "updateUI": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/BackgroundFetchUpdateUIEvent/updateUI",
          "spec_url": "https://wicg.github.io/background-fetch/#background-fetch-update-ui-event-update-ui",
          "support": {
            "chrome": {
              "version_added": "74"
            },
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": {
              "version_added": false
            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": false
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": {
              "version_added": false
            }
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      }
    }
  }
}