code: def get_gui_hint(self, hint):
          
          if hint == 'type':
              # 'self.kwargs.get('nargs') == 0' is there for default_iff_used, which may
              # have nargs: 0, so that it works similarly to 'store_const'
              if self.kwargs.get('action') == 'store_true' or self.kwargs.get('nargs') == 0:
                  return 'bool'
              # store_const is represented by checkbox, but computes default differently
              elif self.kwargs.get('action') == 'store_const':
                  return 'const'
              return self.gui_hints.get('type', 'str')
          elif hint == 'default':
              hint_type = self.get_gui_hint('type')
              hint_default = self.gui_hints.get('default', None)
              arg_default = self.kwargs.get('default', None)
              preserved_value = None
              if 'preserved' in self.kwargs:
                  preserved_value = config_manager.get_config_value(self.kwargs['preserved'])
  
              if hint_type == 'path':
                  if preserved_value is not None:
                      default = preserved_value
                  elif hint_default is not None:
                      default = hint_default.replace('$(pwd)', utils.get_cwd_or_homedir())
                  else:
                      default = arg_default or '~'
                  return os.path.abspath(os.path.expanduser(default))
              elif hint_type == 'bool':
                  return hint_default or arg_default or False
              elif hint_type == 'const':
                  return hint_default or arg_default
              else:
                  if hint_default == '$(whoami)':
                      hint_default = getpass.getuser()
                  return preserved_value or hint_default or arg_default or ''
docs: Returns the value for specified gui hint (or a sensible default value,
          if this argument doesn't specify the hint).
  
          Args:
              hint: name of the hint to get value for
          Returns:
              value of the hint specified in yaml or a sensible default