void addEventListener(
    in DOMString type, 
    in EventListener listener, 
    in boolean useCapture); 

void clearInterval(
    in long handle); 

void clearTimeout(
    in long handle); 

void close(); 

boolean dispatchEvent(
    in Event evt) raises(EventException); 

void importScripts(/*[Variadic] in DOMString urls */); 

Database openDatabase(
    in DOMString name,
    in DOMString version,
    in DOMString displayName,
    in unsigned long estimatedSize,
    in DatabaseCallback creationCallback) raises(DOMException); 

DatabaseSync openDatabaseSync(
    in DOMString name,
    in DOMString version,
    in DOMString displayName,
    in unsigned long estimatedSize,
    in DatabaseCallback creationCallback); 

void removeEventListener(
    in DOMString type, 
    in EventListener listener, 
    in boolean useCapture); 

long setInterval(
    in TimeoutHandler handler,
    in long timeout); 

long setTimeout(
    in TimeoutHandler handler,
    in long timeout); 

attribute EventSourceConstructor EventSource; 

attribute WorkerLocation location; 

attribute MessageChannelConstructor MessageChannel; 

attribute MessageEventConstructor MessageEvent; 

attribute WorkerNavigator navigator; 

attribute EventListener onerror; 

attribute WorkerContext self; 

readonly attribute NotificationCenter webkitNotifications; 

attribute WebSocketConstructor WebSocket; 

attribute WorkerLocationConstructor WorkerLocation; 

attribute XMLHttpRequestConstructor XMLHttpRequest;