{
  "api": {
    "External": {
      "__compat": {
        "spec_url": "https://html.spec.whatwg.org/multipage/obsolete.html#external",
        "support": {
          "chrome": {
            "version_added": "1"
          },
          "chrome_android": "mirror",
          "edge": {
            "version_added": "12"
          },
          "firefox": {
            "version_added": "2"
          },
          "firefox_android": "mirror",
          "ie": {
            "version_added": "≤6"
          },
          "oculus": "mirror",
          "opera": "mirror",
          "opera_android": "mirror",
          "safari": {
            "version_added": false
          },
          "safari_ios": "mirror",
          "samsunginternet_android": "mirror",
          "webview_android": {
            "version_added": "4.4.3"
          },
          "webview_ios": "mirror"
        },
        "status": {
          "experimental": false,
          "standard_track": true,
          "deprecated": true
        }
      },
      "AddSearchProvider": {
        "__compat": {
          "spec_url": "https://html.spec.whatwg.org/multipage/obsolete.html#dom-external-addsearchprovider",
          "support": {
            "chrome": {
              "version_added": "1"
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "2",
              "notes": "From Firefox 78 this function does nothing, as the specification requires."
            },
            "firefox_android": {
              "version_added": "4"
            },
            "ie": {
              "version_added": "7"
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": false
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": {
              "version_added": "4.4.3"
            },
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": true
          }
        }
      },
      "IsSearchProviderInstalled": {
        "__compat": {
          "spec_url": "https://html.spec.whatwg.org/multipage/obsolete.html#dom-external-issearchproviderinstalled",
          "support": {
            "chrome": {
              "version_added": "9"
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "2"
            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": "7"
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": false
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": {
              "version_added": "4.4.3"
            },
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": true
          }
        }
      }
    }
  }
}