code: def get_as_map_with_default(self, key, default_value):
          
          value = self.get_as_nullable_map(key)
          return MapConverter.to_map_with_default(value, default_value)
docs: Converts map element into an AnyValueMap or returns default value if conversion is not possible.
  
          :param key: a key of element to get.
  
          :param default_value: the default value
  
          :return: AnyValueMap value of the element or default value if conversion is not supported.