return (IContainer)((IFile)resDest).getParent();
return ((IFile)resDest).getParent();
		private static IContainer getAsContainer(IResource resDest){			if (resDest instanceof IContainer)				return (IContainer)resDest;			if (resDest instanceof IFile)				return (IContainer)((IFile)resDest).getParent();			Assert.isTrue(false);//there's nothing else			return null;						}