(self, values: Iterable[Tuple[Any,Any]], merged_size: int, **kwargs)
Override this method to provide value merging support.

        :param values:          A collection of values with their merge conditions.
        :param merged_size:     The size (in bytes) of the merged value.
        :return:                The merged value, or None to skip merging of the current value.
Override this method to provide value merging support.
Override this method to provide value merging support .
def _merge_values(self, values: Iterable[Tuple[Any,Any]], merged_size: int, **kwargs) -> Optional[Any]:
        """
        Override this method to provide value merging support.

        :param values:          A collection of values with their merge conditions.
        :param merged_size:     The size (in bytes) of the merged value.
        :return:                The merged value, or None to skip merging of the current value.
        """
        raise NotImplementedError()
def _merge_values ( self , values : Iterable [ Tuple [ Any , Any ] ] , merged_size : int , * * kwargs ) -> Optional [ Any ] : raise NotImplementedError ( )