{
  "http": {
    "headers": {
      "Alt-Svc": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/HTTP/Reference/Headers/Alt-Svc",
          "spec_url": "https://httpwg.org/specs/rfc7838.html#alt-svc",
          "support": {
            "chrome": {
              "version_added": "52"
            },
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": [
              {
                "version_added": "38"
              },
              {
                "version_added": "37",
                "version_removed": "38",
                "partial_implementation": true,
                "notes": "Only supports draft-04"
              }
            ],
            "firefox_android": "mirror",
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": "17",
              "impl_url": "https://webkit.org/b/255017"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      }
    }
  }
}