(self)
Returns a function object for the provider-specific batch handler.
Returns a function object for the provider-specific batch handler.
Returns a function object for the provider - specific batch handler .
def _batch_handler_def(self):
    """Returns a function object for the provider-specific batch handler."""
    raise NotImplementedError('Derived class must implement this function')
def _batch_handler_def ( self ) : raise NotImplementedError ( 'Derived class must implement this function' )