Adding ViroKit. Needs AWSCore :(

mobile/ios/ViroKit.framework/Headers/VROARDeclarativeNodeDelegate.h

@@ -0,0 +1,38 @@
+//
+//  VROARNodeDelegate.h
+//  ViroKit
+//
+//  Created by Andy Chu on 7/3/17.
+//  Copyright © 2017 Viro Media. All rights reserved.
+//
+
+#ifndef VROARNodeDelegate_h
+#define VROARNodeDelegate_h
+
+class VROARAnchor;
+
+class VROARDeclarativeNodeDelegate {
+public:
+    
+    VROARDeclarativeNodeDelegate() {}
+    virtual ~VROARDeclarativeNodeDelegate() {}
+
+    /*
+     Notifies the delegate that the node was attached to the given anchor. The
+     delegate should NOT hold onto the anchor.
+     */
+    virtual void onARAnchorAttached(std::shared_ptr<VROARAnchor> anchor) = 0;
+    
+    /*
+     Notifies the delegate that the underlying anchor was updated. The
+     delegate should NOT hold onto the anchor.
+     */
+    virtual void onARAnchorUpdated(std::shared_ptr<VROARAnchor> anchor) = 0;
+    
+    /*
+     Notifies the delegate that the underlying anchor was removed.
+     */
+    virtual void onARAnchorRemoved() = 0;
+};
+
+#endif /* VROARNodeDelegate_h */