{
    "IfcPerformanceHistory": {
        "Identification": "LifeCyclePhase"
    },
    "IfcProcedure": {
        "Identification": "ProcedureID",
        "LongDescription": "ProcedureType",
        "PredefinedType": "UserDefinedProcedureType"
    },
    "IfcTask": {
        "Identification": "TaskId",
        "LongDescription": "Status",
        "Status": "WorkMethod",
        "WorkMethod": "IsMilestone",
        "IsMilestone": "Priority"
    },
    "IfcWorkPlan": {
        "Identification": "Identifier",
        "PredefinedType": "WorkControlType"
    },
    "IfcWorkSchedule": {
        "Identification": "Identifier",
        "PredefinedType": "WorkControlType"
    },
    "IfcSpace": {
        "PredefinedType": "InteriorOrExteriorSpace"
    },
    "IfcTransportElement": {
        "PredefinedType": "OperationType"
    },
    "IfcBuildingElementProxy": {
        "PredefinedType": "CompositionType"
    },
    "IfcRamp": {
        "PredefinedType": "ShapeType"
    },
    "IfcRelCoversSpaces": {
        "RelatingSpace": "RelatedSpace"
    },
    "IfcRoof": {
        "PredefinedType": "ShapeType"
    },
    "IfcStair": {
        "PredefinedType": "ShapeType"
    },
    "IfcAsset": {
        "Identification": "AssetID"
    },
    "IfcInventory": {
        "PredefinedType": "InventoryType"
    },
    "IfcActionRequest": {
        "Identification": "RequestID"
    },
    "IfcCostSchedule": {
        "Identification": "SubmittedBy",
        "PredefinedType": "PreparedBy",
        "Status": "SubmittedOn",
        "SubmittedOn": "Status",
        "UpdateDate": "TargetUsers"
    },
    "IfcPermit": {
        "Identification": "PermitID"
    },
    "IfcProjectOrder": {
        "Identification": "ID"
    },
    "IfcConstructionEquipmentResource": {
        "Identification": "ResourceIdentifier",
        "LongDescription": "ResourceGroup",
        "Usage": "ResourceConsumption",
        "BaseCosts": "BaseQuantity"
    },
    "IfcConstructionMaterialResource": {
        "Identification": "ResourceIdentifier",
        "LongDescription": "ResourceGroup",
        "Usage": "ResourceConsumption",
        "BaseCosts": "BaseQuantity",
        "BaseQuantity": "Suppliers",
        "PredefinedType": "UsageRatio"
    },
    "IfcConstructionProductResource": {
        "Identification": "ResourceIdentifier",
        "LongDescription": "ResourceGroup",
        "Usage": "ResourceConsumption",
        "BaseCosts": "BaseQuantity"
    },
    "IfcCrewResource": {
        "Identification": "ResourceIdentifier",
        "LongDescription": "ResourceGroup",
        "Usage": "ResourceConsumption",
        "BaseCosts": "BaseQuantity"
    },
    "IfcLaborResource": {
        "Identification": "ResourceIdentifier",
        "LongDescription": "ResourceGroup",
        "Usage": "ResourceConsumption",
        "BaseCosts": "BaseQuantity",
        "BaseQuantity": "SkillSet"
    },
    "IfcSubContractResource": {
        "Identification": "ResourceIdentifier",
        "LongDescription": "ResourceGroup",
        "Usage": "ResourceConsumption",
        "BaseCosts": "BaseQuantity",
        "BaseQuantity": "SubContractor",
        "PredefinedType": "JobDescription"
    },
    "IfcStructuralLinearAction": {
        "ProjectedOrTrue": "CausedBy",
        "PredefinedType": "ProjectedOrTrue"
    },
    "IfcStructuralPlanarAction": {
        "ProjectedOrTrue": "CausedBy",
        "PredefinedType": "ProjectedOrTrue"
    },
    "IfcReinforcingBar": {
        "PredefinedType": "BarRole"
    },
    "IfcOrganization": {
        "Identification": "Id"
    },
    "IfcPerson": {
        "Identification": "Id"
    },
    "IfcApproval": {
        "Identifier": "Description",
        "Name": "ApprovalDateTime",
        "Description": "ApprovalStatus",
        "TimeOfApproval": "ApprovalLevel",
        "Status": "ApprovalQualifier",
        "Level": "Name",
        "Qualifier": "Identifier"
    },
    "IfcApprovalRelationship": {
        "Name": "RelatedApproval",
        "Description": "RelatingApproval",
        "RelatingApproval": "Description",
        "RelatedApprovals": "Name"
    },
    "IfcObjective": {
        "LogicalAggregator": "ResultValues"
    },
    "IfcCostValue": {
        "Category": "CostType"
    },
    "IfcCurrencyRelationship": {
        "Name": "RelatingMonetaryUnit",
        "Description": "RelatedMonetaryUnit",
        "RelatingMonetaryUnit": "ExchangeRate",
        "RelatedMonetaryUnit": "RateDateTime",
        "ExchangeRate": "RateSource"
    },
    "IfcClassificationReference": {
        "Identification": "ItemReference"
    },
    "IfcDocumentInformation": {
        "Identification": "DocumentId",
        "Location": "DocumentReferences"
    },
    "IfcDocumentInformationRelationship": {
        "Name": "RelatingDocument",
        "Description": "RelatedDocuments",
        "RelatingDocument": "RelationshipType"
    },
    "IfcDocumentReference": {
        "Identification": "ItemReference"
    },
    "IfcLibraryInformation": {
        "Location": "LibraryReference"
    },
    "IfcLibraryReference": {
        "Identification": "ItemReference"
    },
    "IfcMaterialProperties": {
        "Name": "Material"
    },
    "IfcBlobTexture": {
        "Mode": "TextureType",
        "Parameter": "RasterFormat",
        "RasterFormat": "RasterCode"
    },
    "IfcExternallyDefinedHatchStyle": {
        "Identification": "ItemReference"
    },
    "IfcExternallyDefinedSurfaceStyle": {
        "Identification": "ItemReference"
    },
    "IfcExternallyDefinedTextFont": {
        "Identification": "ItemReference"
    },
    "IfcImageTexture": {
        "Mode": "TextureType",
        "Parameter": "UrlReference"
    },
    "IfcPixelTexture": {
        "Mode": "TextureType",
        "Parameter": "Width",
        "Width": "Height",
        "Height": "ColourComponents",
        "ColourComponents": "Pixel"
    },
    "IfcTextureCoordinateGenerator": {
        "Maps": "Mode",
        "Mode": "Parameter"
    },
    "IfcTextureMap": {
        "Maps": "TextureMaps"
    },
    "IfcAsymmetricIShapeProfileDef": {
        "BottomFlangeWidth": "OverallWidth",
        "BottomFlangeThickness": "FlangeThickness",
        "BottomFlangeFilletRadius": "FilletRadius",
        "BottomFlangeEdgeRadius": "CentreOfGravityInY"
    },
    "IfcProfileProperties": {
        "Name": "ProfileName",
        "Description": "ProfileDefinition"
    },
    "IfcPropertyDependencyRelationship": {
        "Name": "DependingProperty",
        "Description": "DependantProperty",
        "DependingProperty": "Name",
        "DependantProperty": "Description"
    },
    "IfcBoundaryEdgeCondition": {
        "TranslationalStiffnessByLengthX": "LinearStiffnessByLengthX",
        "TranslationalStiffnessByLengthY": "LinearStiffnessByLengthY",
        "TranslationalStiffnessByLengthZ": "LinearStiffnessByLengthZ"
    },
    "IfcBoundaryFaceCondition": {
        "TranslationalStiffnessByAreaX": "LinearStiffnessByAreaX",
        "TranslationalStiffnessByAreaY": "LinearStiffnessByAreaY",
        "TranslationalStiffnessByAreaZ": "LinearStiffnessByAreaZ"
    },
    "IfcBoundaryNodeCondition": {
        "TranslationalStiffnessX": "LinearStiffnessX",
        "TranslationalStiffnessY": "LinearStiffnessY",
        "TranslationalStiffnessZ": "LinearStiffnessZ"
    },
    "IfcBoundaryNodeConditionWarping": {
        "TranslationalStiffnessX": "LinearStiffnessX",
        "TranslationalStiffnessY": "LinearStiffnessY",
        "TranslationalStiffnessZ": "LinearStiffnessZ"
    },
    "IfcStructuralLoadTemperature": {
        "DeltaTConstant": "DeltaT_Constant",
        "DeltaTY": "DeltaT_Y",
        "DeltaTZ": "DeltaT_Z"
    }
}