The InstanceHierarchies folder includes all CAEX InstanceHierarchies of a CAEX file.
The InterfaceClassLibs folder includes all CAEX InterfaceClassLibs of a CAEX file.
The RoleClassLibs folder includes all CAEX RoleClassLibs of a CAEX file.
The SystemUnitClassLibs folder includes all CAEX SystemUnitClassLibs of a CAEX file.