Namespace Xbim.Ifc4.Kernel Classes IfcActor IfcComplexPropertyTemplate IfcContext IfcControl IfcGroup IfcObject IfcObjectDefinition IfcPreDefinedPropertySet IfcProcess IfcProduct IfcProject IfcProjectLibrary IfcPropertyDefinition IfcPropertySet IfcPropertySetDefinition IfcPropertySetTemplate IfcPropertyTemplate IfcPropertyTemplateDefinition IfcProxy IfcQuantitySet IfcRelAggregates IfcRelAssigns IfcRelAssignsToActor IfcRelAssignsToControl IfcRelAssignsToGroup IfcRelAssignsToGroupByFactor IfcRelAssignsToProcess IfcRelAssignsToProduct IfcRelAssignsToResource IfcRelAssociates IfcRelAssociatesClassification IfcRelAssociatesDocument IfcRelAssociatesLibrary IfcRelationship IfcRelConnects IfcRelDeclares IfcRelDecomposes IfcRelDefines IfcRelDefinesByObject IfcRelDefinesByProperties IfcRelDefinesByTemplate IfcRelDefinesByType IfcRelNests IfcResource IfcRoot IfcSimplePropertyTemplate IfcTypeObject IfcTypeProcess IfcTypeProduct IfcTypeResource Structs IfcPropertySetDefinitionSet Interfaces IfcDefinitionSelect IfcProcessSelect IfcProductSelect IfcPropertySetDefinitionSelect IfcResourceSelect Enums IfcComplexPropertyTemplate.IfcComplexPropertyTemplateClause IfcObject.IfcObjectClause IfcProduct.IfcProductClause IfcProject.IfcProjectClause IfcPropertySet.IfcPropertySetClause IfcPropertySetTemplate.IfcPropertySetTemplateClause IfcProxy.IfcProxyClause IfcRelAggregates.IfcRelAggregatesClause IfcRelAssigns.IfcRelAssignsClause IfcRelAssignsToActor.IfcRelAssignsToActorClause IfcRelAssignsToControl.IfcRelAssignsToControlClause IfcRelAssignsToGroup.IfcRelAssignsToGroupClause IfcRelAssignsToProcess.IfcRelAssignsToProcessClause IfcRelAssignsToProduct.IfcRelAssignsToProductClause IfcRelAssignsToResource.IfcRelAssignsToResourceClause IfcRelDeclares.IfcRelDeclaresClause IfcRelNests.IfcRelNestsClause IfcTypeObject.IfcTypeObjectClause IfcTypeProduct.IfcTypeProductClause XbimQuantityTypeEnum