#NEWLINE# def basic_nack( self , delivery_tag = 0 , multiple = False , requeue = True ) : #NEWLINE# #INDENT# 'Reject one or more incoming messages.\n\n        This method allows a client to reject one or more incoming messages. It\n        can be used to interrupt and cancel large incoming messages, or return\n        untreatable messages to their original queue. This method is also used\n        by the server to inform publishers on channels in confirm mode of\n        unhandled messages. If a publisher receives this method, it probably\n        needs to republish the offending messages.\n\n        :param int/long delivery_tag: Server-assigned delivery tag\n        :param bool multiple: Reject multiple messages\n        :param bool requeue: Requeue the message\n\n        ' #NEWLINE# self . _write_frame ( spec . Basic . Nack ( delivery_tag , multiple , multiple ) )