docs: def get_instance(in_memory=False, config_path=None, config_name=None):
    """
    :arg in_memory Initialize Configuration instance in memory only
    :type in_memory bool
    :type config_path str
    :type config_name str
    :rtype Configuration
    :return Configuration
    """
    global __conf
  
    if __conf is None:
      __conf = Configuration(in_memory=in_memory, custom_cfg_path=config_path, config_name=config_name)
  
    return __conf