{
  "api": {
    "PerformanceLongTaskTiming": {
      "__compat": {
        "mdn_url": "https://developer.mozilla.org/docs/Web/API/PerformanceLongTaskTiming",
        "spec_url": "https://w3c.github.io/longtasks/#sec-PerformanceLongTaskTiming",
        "tags": [
          "web-features:longtasks"
        ],
        "support": {
          "chrome": {
            "version_added": "58"
          },
          "chrome_android": "mirror",
          "edge": "mirror",
          "firefox": {
            "version_added": false,
            "impl_url": "https://bugzil.la/1348405"
          },
          "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": "mirror",
          "webview_ios": "mirror"
        },
        "status": {
          "experimental": true,
          "standard_track": true,
          "deprecated": false
        }
      },
      "attribution": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/PerformanceLongTaskTiming/attribution",
          "spec_url": "https://w3c.github.io/longtasks/#dom-performancelongtasktiming-attribution",
          "tags": [
            "web-features:longtasks"
          ],
          "support": {
            "chrome": {
              "version_added": "58"
            },
            "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": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "toJSON": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/PerformanceLongTaskTiming/toJSON",
          "spec_url": "https://w3c.github.io/longtasks/#dom-performancelongtasktiming-tojson",
          "tags": [
            "web-features:longtasks"
          ],
          "support": {
            "chrome": {
              "version_added": "58"
            },
            "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": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      }
    }
  }
}