public static void AcceptProjection(QNode node, IQNodeVisitor visitor)
{
node.Left.Accept(visitor);
visitor.EnterContext(node);
visitor.VisitProjection(node);
visitor.LeaveContext(node);
}
public static void AcceptProjection(QNode node, IQNodeVisitor visitor)
{
node.Operand.Accept(visitor);
visitor.VisitProjection(node);
}