Slicer  4.8
Slicer is a multi-platform, free and open source software package for visualization and medical image computing

DisplayableManager → Core Relation

File in Libs/MRML/DisplayableManagerIncludes file in Libs/MRML/Core
vtkMRMLModelDisplayableManager.hvtkMRMLModelNode.h
vtkThreeDViewInteractorStyle.hvtkMRML.h
vtkThreeDViewInteractorStyle.hvtkMRMLCameraNode.h