code: def set_default_preferences(self):
          
  
          LOGGER.debug("> Initializing default settings!")
  
          for key in self.__default_settings.allKeys():
              self.__settings.setValue(key, self.__default_settings.value(key))
  
          self.set_default_layouts()
          return True
docs: Defines the default settings file content.
  
          :return: Method success.
          :rtype: bool