Given the current position in the XML stream, extract a T.
            
 Declaration Syntax
 Declaration Syntax| C# | 
T Unmarshall( R input )
 Parameters
 Parameters- input (R)
- The XML parsing context
 Return Value
 Return ValueAn object of type T populated with data from the XML stream.
 Declaration Syntax
 Declaration Syntax| C# | 
T Unmarshall( R input )
 Parameters
 Parameters Return Value
 Return Value