#include <TObject.h>
#include <TBRIK.h>
-class ostream;
-class istream;
class TShape;
class AliITSgeomSDD: public TObject {
//#include "AliITSgeomSDD.h"
-class ostream;
-class istream;
class AliITSgeomSDD256 : public AliITSgeomSDD {
//#include "AliITSgeomSDD.h"
-class ostream;
-class istream;
class AliITSgeomSDD300 : public AliITSgeomSDD {