SharedObject.h

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#pragma once 
 
#include <map>
 
namespace Core
{
class DocObject;
typedef std::map<Core::DocObject*, Core::DocObject*> DocObjectMap;
class LX_CORE_EXPORT SharedObject
{
public:
    friend class CoreDocument;
    virtual ~SharedObject() = default;
 
protected:
    virtual Core::DocObject* copyShared(Core::CoreDocument* toDoc, DocObjectMap& copyMap) = 0;
};
 
}  // namespace Core