text: # Copyright (c) Facebook, Inc. and its affiliates.
  # All rights reserved.
  #
  # This source code is licensed under the BSD-style license found in the
  # LICENSE file in the root directory of this source tree.
  
  from typing import Dict, List, Union
  
  
  def parse_args(arg: str) -> Dict[str, Union[str]]:
      conf = {}
      for kv in arg.split(","):
          if kv == "":
              continue
          key, value = kv.split("=")
          conf[key] = value
      return conf
  
  
  def parse_as_list(arg: str) -> List[str]:
      conf = []
      for el in arg.split(","):
          conf.append(el)
      return conf
  
  
  def parse_args_children(arg: str) -> Dict[str, Union[str, List[str]]]:
      conf = {}
      for key, value in parse_args(arg).items():
          if ";" in value:
              value = value.split(";")
          conf[key] = value
      return conf
  