private static NodeArray <IDecorator> RemovePositionDecorator(NodeArray <IDecorator> decorators)
{
Contract.Assert(decorators.Count > 0);
var originalDecorators = new IDecorator[decorators.Count - 1];
if (originalDecorators.Length > 0)
{
decorators.CopyTo(1, originalDecorators, 0, decorators.Count - 1);
}
return(new NodeArray <IDecorator>(originalDecorators));
}