 
 import AppKit
 import OpenCombine
+
 
 class HeliumPanel: NSPanel {
     override init(contentRect: NSRect, styleMask style: NSWindow.StyleMask, backing backingStoreType: NSWindow.BackingStoreType, defer flag: Bool) {

    }
}

class HeliumPanelController: NSWindowController, NSWindowDelegate {
    convenience init() {
        self.init(window: nil)

        panel.bind(.title, to: webController, withKeyPath: "title", options: nil)
        
        super.init(window: panel)
        panel.delegate = self
        
        let toolbar = HeliumToolbar()
        
        panel.titleVisibility = .hidden
        panel.toolbar = toolbar
        
        NotificationCenter.default.addObserver(self, selector: #selector(HeliumPanelController.didBecomeActive), name: NSApplication.didBecomeActiveNotification, object: nil)
        NotificationCenter.default.addObserver(self, selector: #selector(HeliumPanelController.willResignActive), name: NSApplication.willResignActiveNotification, object: nil)
