declare namespace ObjC{
   namespace classes{
      
       export class UIActivityItemProvider extends NSOperation{ 
            	init():UIActivityItemProvider;
            	initWithPlaceholderItem_(placeholderItem:NSObject|NativePointer):UIActivityItemProvider;
            	item():NSObject;
            	placeholderItem():NSObject;
            	activityType():number;
       }
    }
}