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25 
26 #pragma once
27 
28 #include "qmt/infrastructure/uid.h"
29 
30 #include <QString>
31 
32 namespace qmt {
33 
34 class DVisitor;
35 class DConstVisitor;
36 
37 class QMT_EXPORT DElement
38 {
39 public:
40     DElement();
41     virtual ~DElement();
42 
uid()43     Uid uid() const { return m_uid; }
44     void setUid(const Uid &uid);
45     void renewUid();
46     virtual Uid modelUid() const = 0;
47 
48     virtual void accept(DVisitor *visitor);
49     virtual void accept(DConstVisitor *visitor) const;
50 
51 private:
52     Uid m_uid;
53 };
54 
55 } // namespace qmt
56