text: #ifndef __MAILCORE_MCOPERATIONCALLBACK_H_
  
  #define __MAILCORE_MCOPERATIONCALLBACK_H_
  
  #ifdef __cplusplus
  
  namespace mailcore {
      
      class Operation;
      
      class OperationCallback {
      public:
          virtual void operationFinished(Operation * op) {}
      };
      
  }
  
  #endif
  
  #endif
  