{
  "#api-description": {
    "current": {
      "number": "5", 
      "spec": "Background Sync", 
      "text": "API Description", 
      "url": "https://wicg.github.io/BackgroundSync/spec/#api-description"
    }
  }, 
  "#concepts": {
    "current": {
      "number": "2", 
      "spec": "Background Sync", 
      "text": "Concepts", 
      "url": "https://wicg.github.io/BackgroundSync/spec/#concepts"
    }
  }, 
  "#constructs": {
    "current": {
      "number": "3", 
      "spec": "Background Sync", 
      "text": "Constructs", 
      "url": "https://wicg.github.io/BackgroundSync/spec/#constructs"
    }
  }, 
  "#history-leaking": {
    "current": {
      "number": "4.3", 
      "spec": "Background Sync", 
      "text": "History Leaking", 
      "url": "https://wicg.github.io/BackgroundSync/spec/#history-leaking"
    }
  }, 
  "#introduction": {
    "current": {
      "number": "1", 
      "spec": "Background Sync", 
      "text": "Introduction", 
      "url": "https://wicg.github.io/BackgroundSync/spec/#introduction"
    }
  }, 
  "#location-tracking": {
    "current": {
      "number": "4.2", 
      "spec": "Background Sync", 
      "text": "Location Tracking", 
      "url": "https://wicg.github.io/BackgroundSync/spec/#location-tracking"
    }
  }, 
  "#permission": {
    "current": {
      "number": "4.1", 
      "spec": "Background Sync", 
      "text": "Permission", 
      "url": "https://wicg.github.io/BackgroundSync/spec/#permission"
    }
  }, 
  "#privacy-considerations": {
    "current": {
      "number": "4", 
      "spec": "Background Sync", 
      "text": "Privacy Considerations", 
      "url": "https://wicg.github.io/BackgroundSync/spec/#privacy-considerations"
    }
  }, 
  "#service-worker-registration-extensions": {
    "current": {
      "number": "5.1", 
      "spec": "Background Sync", 
      "text": "Extensions to the ServiceWorkerRegistration interface", 
      "url": "https://wicg.github.io/BackgroundSync/spec/#service-worker-registration-extensions"
    }
  }, 
  "#sync-event": {
    "current": {
      "number": "5.3", 
      "spec": "Background Sync", 
      "text": "The sync event", 
      "url": "https://wicg.github.io/BackgroundSync/spec/#sync-event"
    }
  }, 
  "#sync-manager-interface": {
    "current": {
      "number": "5.2", 
      "spec": "Background Sync", 
      "text": "SyncManager interface", 
      "url": "https://wicg.github.io/BackgroundSync/spec/#sync-manager-interface"
    }
  }
}