25#ifndef vtkInformationKeyLookup_h
26#define vtkInformationKeyLookup_h
28#include "vtkCommonCoreModule.h"
73 typedef std::pair<std::string, std::string> Identifier;
74 typedef std::map<Identifier, vtkInformationKey*> KeyMap;
78 static KeyMap& Keys();
a simple class to control print indentation