src/vs/workbench/services/host/browser/browserHostService.ts/BrowserHostService/doOpenEmptyWindow
class BrowserHostService:	private async doOpenEmptyWindow(options?: IOpenEmptyWindowOptions): Promise<void> {
		return this.doOpen(undefined, {
			reuse: options?.forceReuseWindow,
			payload: this.preservePayload(true /* empty window */)
		});
	}