def configs(max_configs=1, offset=None, serial=False, create_uuid=True):
    """Generate max configs, each one a dictionary.  e.g. [{'x': 1}] 

      Will also add a config UUID, useful for tracking configs.  
      You can turn this off by passing create_uuid=False.
    """
    global default_selector
    return default_selector.configs(max_configs, offset, serial, create_uuid)