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HistogramBase.h

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#ifndef HISTOGRAMSVC_BASE_H
#define HISTOGRAMSVC_BASE_H

#include <iostream>

class TObject;

/*
 *    Gaudi namespace declaration
 */
namespace Gaudi {

  class HistogramBase {
  public:
    virtual TObject* representation() const = 0;
    virtual void adoptRepresentation(TObject*rep) = 0;
    virtual std::ostream& print(std::ostream& s) const = 0;
    virtual std::ostream& write(std::ostream& s) const = 0;
    virtual int           write(const char* file_name) const = 0;
    virtual ~HistogramBase() {}
  }; // class

} // namespace Gaudi

#endif // HISTOGRAMSVC_BASE_H

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