Preference.h

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#ifndef Preference_h
#define Preference_h
/* SPDX-License-Identifier: CC0-1.0 */
 
#include <string>
#include "Pvl.h"
 
namespace Isis {
  class Application;
 
  class Preference : public Pvl {
 
    public:
      void Load(const QString &file);
 
      inline bool IsUnitTest() {
        return p_unitTest;
      }
 
      static Preference &Preferences(bool unitTest = false);
 
    private:
      Preference();
 
      ~Preference() {};
 
      Preference(const Preference &p);
      Preference &operator=(const Preference &p);
 
      static Preference *p_preference;   
      static bool p_unitTest;            
      static void Shutdown();
  };
};
 
#endif