digraph G {
  RepresentationItem -> {ValueRepresentationItem, TopologicalRepresentationItem, StyledItem, RepItemGroup, QualifiedRepresentationItem, MeasureRepresentationItem, MappedItem, KinematicPath, GeometricRepresentationItem, DescriptiveRepresentationItem, CompoundRepresentationItem};
  TopologicalRepresentationItem -> {Vertex, Path, Loop, FaceBound, Face, Edge, ConnectedFaceSet, ConnectedEdgeSet};
  Vertex -> {VertexPoint};
  Path -> {OrientedPath, EdgeLoop};
  Loop -> {VertexLoop, PolyLoop, EdgeLoop};
  FaceBound -> {FaceOuterBound};
  Face -> {Subface, OrientedFace, FaceSurface};
  FaceSurface -> {AdvancedFace};
  Edge -> {Subedge, OrientedEdge, EdgeCurve};
  OrientedEdge -> {SeamEdge};
  ConnectedFaceSet -> {OpenShell, ConnectedFaceSubSet, ClosedShell};
  OpenShell -> {OrientedOpenShell};
  ClosedShell -> {OrientedClosedShell};
  StyledItem -> {OverRidingStyledItem, AnnotationOccurrence};
  OverRidingStyledItem -> {ContextDependentOverRidingStyledItem};
  ContextDependentOverRidingStyledItem -> {HiddenElementOverRidingStyledItem};
  AnnotationOccurrence -> {DraughtingAnnotationOccurrence, AnnotationTextOccurrence, AnnotationSymbolOccurrence, AnnotationPlane, AnnotationFillAreaOccurrence, AnnotationCurveOccurrence};
  AnnotationSymbolOccurrence -> {TerminatorSymbol, AnnotationSubfigureOccurrence};
  TerminatorSymbol -> {LeaderTerminator, DimensionCurveTerminator};
  AnnotationCurveOccurrence -> {ProjectionCurve, LeaderCurve, DimensionCurve};
  MappedItem -> {DimensionTextAssociativity, CameraImage, AnnotationTextCharacter, AnnotationText, AnnotationSymbol};
  CameraImage -> {CameraImage3dWithScale, CameraImage2dWithScale};
  GeometricRepresentationItem -> {VertexPoint, Vector, Torus, TextLiteral, SymbolTarget, Surface, Sphere, SolidModel, ShellBasedSurfaceModel, RightCircularCylinder, RightCircularCone, RightAngularWedge, PolyLoop, Point, PlanarExtent, Placement, OneDirectionRepeatFactor, LightSource, KinematicFrameBasedTransformation, HalfSpaceSolid, GeometricSet, FillAreaStyleTiles, FillAreaStyleTileSymbolWithStyle, FillAreaStyleHatching, FaceSurface, FaceBasedSurfaceModel, ExternallyDefinedTileStyle, ExternallyDefinedHatchStyle, EdgeCurve, EdgeBasedWireframeModel, DraughtingCallout, Direction, DefinedSymbol, DefinedCharacterGlyph, Curve, CompositeText, CartesianTransformationOperator, CameraModel, BooleanResult, Block, AnnotationPlane, AnnotationFillArea};
  TextLiteral -> {TextLiteralWithExtent, TextLiteralWithDelineation, TextLiteralWithBlankingBox, TextLiteralWithAssociatedCurves, DimensionTextAssociativity};
  TextLiteralWithDelineation -> {DraughtingTextLiteralWithDelineation};
  Surface -> {SweptSurface, SurfaceReplica, OrientedSurface, OffsetSurface, ElementarySurface, BoundedSurface};
  SweptSurface -> {SurfaceOfRevolution, SurfaceOfLinearExtrusion};
  ElementarySurface -> {ToroidalSurface, SphericalSurface, Plane, CylindricalSurface, ConicalSurface};
  ToroidalSurface -> {DegenerateToroidalSurface};
  BoundedSurface -> {RectangularTrimmedSurface, RectangularCompositeSurface, CurveBoundedSurface, BSplineSurface};
  BSplineSurface -> {UniformSurface, RationalBSplineSurface, QuasiUniformSurface, BezierSurface, BSplineSurfaceWithKnots};
  SolidModel -> {SweptFaceSolid, SweptDiskSolid, SweptAreaSolid, SolidReplica, ManifoldSolidBrep, CsgSolid};
  SweptFaceSolid -> {RevolvedFaceSolid, ExtrudedFaceSolid};
  SweptAreaSolid -> {SurfaceCurveSweptAreaSolid, RevolvedAreaSolid, ExtrudedAreaSolid};
  SurfaceCurveSweptAreaSolid -> {RuledSurfaceSweptAreaSolid};
  ManifoldSolidBrep -> {FacetedBrep, BrepWithVoids};
  Point -> {PointReplica, PointOnSurface, PointOnCurve, DegeneratePcurve, CartesianPoint};
  DegeneratePcurve -> {EvaluatedDegeneratePcurve};
  PlanarExtent -> {PlanarBox};
  Placement -> {Axis2Placement3d, Axis2Placement2d, Axis1Placement};
  OneDirectionRepeatFactor -> {TwoDirectionRepeatFactor};
  LightSource -> {LightSourceSpot, LightSourcePositional, LightSourceDirectional, LightSourceAmbient};
  HalfSpaceSolid -> {BoxedHalfSpace};
  GeometricSet -> {GeometricCurveSet};
  DraughtingCallout -> {SurfaceConditionCallout, StructuredDimensionCallout, ProjectionDirectedCallout, LeaderDirectedCallout, GeometricalToleranceCallout, DraughtingElements, DimensionCurveDirectedCallout, DimensionCallout, DatumTargetCallout, DatumFeatureCallout};
  ProjectionDirectedCallout -> {OrdinateDimension};
  LeaderDirectedCallout -> {LeaderDirectedDimension};
  DimensionCurveDirectedCallout -> {RadiusDimension, LinearDimension, DiameterDimension, CurveDimension, AngularDimension};
  Curve -> {SurfaceCurve, Pcurve, OffsetCurve3d, OffsetCurve2d, Line, CurveReplica, Conic, BoundedCurve};
  SurfaceCurve -> {SeamCurve, IntersectionCurve, BoundedSurfaceCurve};
  Pcurve -> {BoundedPcurve};
  Conic -> {Parabola, Hyperbola, Ellipse, Circle};
  BoundedCurve -> {TrimmedCurve, Polyline, CompositeCurve, BoundedSurfaceCurve, BoundedPcurve, BSplineCurve};
  CompositeCurve -> {CompositeCurveOnSurface};
  CompositeCurveOnSurface -> {BoundaryCurve};
  BoundaryCurve -> {OuterBoundaryCurve};
  BSplineCurve -> {UniformCurve, RationalBSplineCurve, QuasiUniformCurve, BezierCurve, BSplineCurveWithKnots};
  CompositeText -> {CompositeTextWithExtent, CompositeTextWithBlankingBox, CompositeTextWithAssociatedCurves};
  CartesianTransformationOperator -> {CartesianTransformationOperator3d, CartesianTransformationOperator2d};
  CameraModel -> {CameraModelD3, CameraModelD2};
  CameraModelD3 -> {CameraModelD3WithHlhsr};
  CompoundRepresentationItem -> {ValueRange, DefaultToleranceTableCell};
}