Provides a container of all Revit built-in FailureDefinitionId instances. 
 
The BuiltInFailures ExportFailures type exposes the following members.
Properties
| Name | Description | |
|---|---|---|
|     | IFCFatalExportError |  There has been an unrecoverable error during export. Export will now be aborted.  | 
|     | IFCFatalToolkitExportError |  There has been an unrecoverable error during export. Export will now be aborted.  | 
|     | IFCGenericExportWarning |  Unexpected errors occurred while exporting these elements to the IFC file.  |