__streambuf_type : BioBasicSocketBuffer< _CharT, _Traits >
char_type : BioBasicSocketBuffer< _CharT, _Traits > , BioBasicSocketStream< _CharT, _Traits >
int_type : BioBasicSocketBuffer< _CharT, _Traits > , BioBasicSocketStream< _CharT, _Traits >
off_type : BioBasicSocketBuffer< _CharT, _Traits > , BioBasicSocketStream< _CharT, _Traits >
pos_type : BioBasicSocketBuffer< _CharT, _Traits > , BioBasicSocketStream< _CharT, _Traits >
traits_type : BioBasicSocketBuffer< _CharT, _Traits > , BioBasicSocketStream< _CharT, _Traits >