{
  "api": {
    "SyncEvent": {
      "__compat": {
        "mdn_url": "https://developer.mozilla.org/docs/Web/API/SyncEvent",
        "spec_url": "https://wicg.github.io/background-sync/spec/#sync-event",
        "tags": [
          "web-features:background-sync"
        ],
        "support": {
          "chrome": {
            "version_added": "49"
          },
          "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,
            "impl_url": "https://webkit.org/b/182565"
          },
          "safari_ios": "mirror",
          "samsunginternet_android": "mirror",
          "webview_android": "mirror",
          "webview_ios": "mirror"
        },
        "status": {
          "experimental": false,
          "standard_track": true,
          "deprecated": false
        }
      },
      "SyncEvent": {
        "__compat": {
          "description": "`SyncEvent()` constructor",
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/SyncEvent/SyncEvent",
          "spec_url": "https://wicg.github.io/background-sync/spec/#dom-syncevent-syncevent",
          "tags": [
            "web-features:background-sync"
          ],
          "support": {
            "chrome": {
              "version_added": "49"
            },
            "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": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "lastChance": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/SyncEvent/lastChance",
          "spec_url": "https://wicg.github.io/background-sync/spec/#ref-for-dom-syncevent-lastchance③",
          "tags": [
            "web-features:background-sync"
          ],
          "support": {
            "chrome": {
              "version_added": "49"
            },
            "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": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "tag": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/SyncEvent/tag",
          "spec_url": "https://wicg.github.io/background-sync/spec/#ref-for-dom-syncevent-tag",
          "tags": [
            "web-features:background-sync"
          ],
          "support": {
            "chrome": {
              "version_added": "49"
            },
            "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": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      }
    }
  }
}