docs: def add_to_config(cls, section, name, value):
          """
          Add a parameter to the shared ConfigParser object.
          
          :param section: parameter's section
          :param name:    parameter's name
          :param value:   parameter's value
          """
          if value:
              if not cls._config.has_section(section):
                  cls._config.add_section(section)
              cls._config.set(section, name, str(value))