| Class | Description | |
|---|---|---|
|  | ArcGISSignOn | For use with CoreHost applications that need to authenticate with portal or arcgis online. | 
|  | ConversionDefinition | Configure the unit conversion parameters | 
|  | DirectionUnitFormatConversion | This is a singleton. Use to provide your unit format conversion needs. | 
|  | InvalidParameterException | Thrown when a parameter is invalid. | 
|  | SystemCoreException | General system core exception; for example if a conversion combination is not supported. | 


