new_contents: from __future__ import (absolute_import, division, print_function, unicode_literals)
  from builtins import (ascii, bytes, chr, dict, filter, hex, input, int, map, next, oct, open, pow, range, round, str,
                        super, zip)
  
  import abc
  import copy
  
  
  class ParamsBase(object):
      """
      Abstract base class for all function paramater objects for Sharing REST API.
      """
  
      __metaclass__ = abc.ABCMeta
  
      _props = None
  
      def __init__(self):
          self._props = {}
      
      def _get_params(self):
          return copy.deepcopy(self._props)
  
      def _set_params(self, params):
          self._props = copy.deepcopy(params)
  
subject: Create Params base class