31    interface ::com::sun::star::io::XStream;
 
   35    interface ::com::sun::star::lang::XComponent;
 
   44    [optional] interface ::com::sun::star::io::XSeekable;
 
   60    [optional] interface ::com::sun::star::embed::XEncryptionProtectedSource;
 
   64    [optional] interface ::com::sun::star::beans::XPropertySet;
 
   68    [optional] interface ::com::sun::star::embed::XTransactedObject;
 
   77    [optional] interface ::com::sun::star::embed::XTransactionBroadcaster;