class WXDLLIMPEXP_BASE wxFileConfigGroup;
class WXDLLIMPEXP_BASE wxFileConfigEntry;
class WXDLLIMPEXP_BASE wxFileConfigLineList;
+
+#if wxUSE_STREAMS
class WXDLLIMPEXP_BASE wxInputStream;
+class WXDLLIMPEXP_BASE wxOutputStream;
+#endif // wxUSE_STREAMS
class WXDLLIMPEXP_BASE wxFileConfig : public wxConfigBase
{