20 #ifndef _STLPlugin_IECallBack_HXX_ 
   21 #define _STLPlugin_IECallBack_HXX_ 
   31 #include <TCollection_AsciiString.hxx> 
   39   virtual bool Export( 
int                            theDocId,
 
   41                  const TCollection_AsciiString& theFileName,
 
   42                  const TCollection_AsciiString& theFormatName );
 
   45   Handle(TColStd_HSequenceOfTransient) Import( 
int                            theDocId,
 
   46                                 const TCollection_AsciiString& theFormatName,
 
   47                                 const TCollection_AsciiString& theFileName );