57   HeaderWidget(
const std::string& title, 
const std::string& instructions, QWidget* parent);
 
   87   LoadPathWidget(
const QString& title, 
const QString& instructions, QWidget* parent, 
const bool dir_only = 
false,
 
   88                  const bool load_only = 
false);
 
   97   void setPath(
const QString& path);
 
  100   void setPath(
const std::string& path);
 
  110   QLabel* args_instructions_;
 
  114   LoadPathArgsWidget(
const QString& title, 
const QString& instructions, 
const QString& arg_instructions,
 
  115                      QWidget* parent, 
const bool dir_only = 
false, 
const bool load_only = 
false);