enum ElementTypeGroup { Invalid = -1, RailingsTypeForStairs = 0, RailingsTypeForRamps = 1, WallType = 2, RoofType = 3, FloorType = 4, FootingSlabType = 5, CeilingType = 6, StairsBySketchType = 7, GridType = 8, LevelType = 9, LinearDimensionType = 10, SpotElevationType = 11, TextNoteType = 12, TagNoteType = 13, ModelTextType = 14, Level = 15, CorniceType = 16, RevealType = 17, ElevationType = 18, ViewportType = 19, SectionType = 20, ReferenceViewerType = 21, CalloutType = 22, BuildingSectionType = 23, DetailViewSectionType = 24, FloorPlanSectionType = 25, ElevationSectionType = 26, LastUsedSectionType = 27, RampType = 28, LeaderStyle = 29, StairsRailingType = 30, SystemPanel = 31, ModelGroupType = 32, DetailGroupType = 33, AttachedDetailGroupType = 34, FilledRegionType = 35, RadialDimensionType = 36, AngularDimensionType = 37, ArcLengthDimensionType = 38, TempLinAngDimensionType = 39, TempRadialDimensionType = 40, LineworkGStyleType = 41, PaintMaterialType = 42, BuildingPadType = 43, StructElevType = 44, DecalType = 45, ContourLabelingType = 46, RoofSoffitType = 47, FasciaType = 48, GutterType = 49, EdgeSlabType = 50, PropertyType = 51, TypePreviewDimensionType = 52, RepeatingDetailType = 53, BeamSystemType = 54, TrussType = 55, RevisionCloudType = 56, StackedWallType = 57, CurtainSystemType = 58, ModelElemArrayType = 59, DetailElementArrayType = 60, CalloutTag = 61, ViewType3D = 62, ViewTypeWalkthrough = 63, ViewTypeRendering = 64, ViewTypeSchedule = 65, ViewTypeLegend = 66, ViewTypeCostReport = 67, ViewTypeSheet = 68, ViewTypeDrafting = 69, ViewTypeStructuralPlan = 70, ViewTypeFloorPlan = 71, ViewTypeCeilingPlan = 72, ViewTypeSection = 73, ViewTypeDetailView = 74, ViewTypeElevation = 75, ViewTypeStructuralElevation = 76, ViewTypeAreaPlan = 77, ViewTypeLoadsReport = 78, ViewTypePressureLossReport = 79, ViewTypePanelSchedule = 80, LastUsedDBViewType = 81, AreaLoadType = 82, LineLoadType = 83, PointLoadType = 84, RebarBarType = 85, RebarHookType = 86, AreaReinforcementType = 87, PathReinforcementType = 88, FabricWireType = 89, FabricAreaType = 90, FabricSheetType = 91, BendType = 92, CoverType = 93, RvtLink = 94, gbXMLParamElem = 95, SingleLineDuctType = 96, DuctType = 97, FlexDuctType = 98, DuctElbowType = 99, PipeType = 100, FlexPipeType = 101, WireType = 102, VoltageType = 103, DistributionSystemType = 104, ElectricalDemandFactorType = 105, SpotCoordinateType = 106, ViewTypeGraphScheduleColumn = 107, SpotSlopeType = 108, WallFoundationType = 109, ConstructionSet = 110, ColorFillScheme = 111, PipeConnectionType = 112, PipeMaterialType = 113, PipeScheduleType = 114, FluidType = 115, WireMaterialType = 116, WireInsulationType = 117, WireTemperatureRatingType = 118, PipeInsulationType = 119, DuctInsulationType = 120, DuctLiningType = 121, CableTrayType = 122, ConduitType = 123, ConduitStandardType = 124, AssemblyType = 125, DiameterDimensionType = 126, StairsType = 127, StairsLandingType = 128, StairsSupportType = 129, StairsRunType = 130, HandRailType = 131, TopRailType = 132, StairsTriserType = 133, StairsCutMarkType = 134, StairsPathType = 135, AnalyticalLinkType = 136, DivisionProfileType = 137, DivisionRulesType = 138, DBViewScheduleTextType = 139, MultiReferenceAnnotationType = 140, NumberingSchemasType = 141, FabricationPartType = 142, ColorFillType = 143, RebarContainerType = 144, StructuralConnectionHandlerType = 145, EndTreatmentType = 146, MultistoryStairsType = 147, TempDiameterDimensionType = 148, MEPSystemZoneType = 149, ViewTypeSystemsAnalysisReport = 150, AlignmentStationLabelType = 151 };