BBTK_DECLARE_OUTPUT(BinPath,std::string);
BBTK_DECLARE_OUTPUT(DataPath,std::string);
BBTK_DECLARE_OUTPUT(DocPath,std::string);
BBTK_DECLARE_OUTPUT(BinPath,std::string);
BBTK_DECLARE_OUTPUT(DataPath,std::string);
BBTK_DECLARE_OUTPUT(DocPath,std::string);