1. @DomName('WorkerGlobalScope.importScripts')
  2. @DocsEditable()
  3. @Experimental()
void importScripts(String urls)

Source 

@DomName('WorkerGlobalScope.importScripts')
@DocsEditable()
@Experimental() // untriaged
void importScripts(String urls) => _blink.BlinkWorkerGlobalScope.instance
    .importScripts_Callback_1_(this, urls);