code: def get_string_plus_property_value(value):
      # type: (Any) -> Optional[List[str]]
      
      if value:
          if isinstance(value, str):
              return [value]
          if isinstance(value, list):
              return value
          if isinstance(value, tuple):
              return list(value)
  
      return None
docs: Converts a string or list of string into a list of strings
  
      :param value: A string or a list of strings
      :return: A list of strings or None