22 #ifndef vtkInformationKeyLookup_h
23 #define vtkInformationKeyLookup_h
25 #include "vtkCommonCoreModule.h"
70 typedef std::pair<std::string, std::string> Identifier;
71 typedef std::map<Identifier, vtkInformationKey*> KeyMap;
75 static KeyMap& Keys();
a simple class to control print indentation
abstract base class for most VTK objects