|  | VTK
    9.0.1
    | 
 
 
 
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   23 #ifndef vtkInformationObjectBaseKey_h 
   24 #define vtkInformationObjectBaseKey_h 
   26 #include "vtkCommonCoreModule.h"  
   40     const char* 
name, 
const char* 
location, 
const char* requiredClass = 
nullptr);
 
   50     const char* 
name, 
const char* 
location, 
const char* requiredClass = 
nullptr)
 
  
abstract base class for most VTK objects
a simple class to control print indentation
Detect and break reference loops.