#import // https://html.spec.whatwg.org/multipage/workers.html#dedicatedworkerglobalscope [Global=(Worker,DedicatedWorker),Exposed=DedicatedWorker] interface DedicatedWorkerGlobalScope : WorkerGlobalScope { [Replaceable] readonly attribute DOMString name; undefined postMessage(any message, sequence transfer); undefined postMessage(any message, optional StructuredSerializeOptions options = {}); undefined close(); attribute EventHandler onmessage; attribute EventHandler onmessageerror; };