Collision → Utilities Relation

File in common/Collision	Includes file in common/Utilities
DynamicTree.h	Optional.h
RegularGrid.h	IteratorPair.h
Management / IVMapManager.h	Optional.h
Management / MMapManager.h	Hash.h
Maps / MapDefines.h	EnumFlag.h
Maps / MapDefines.h	Optional.h
Models / GameObjectModel.cpp	Memory.h
Models / WorldModel.h	EnumFlag.h