#NEWLINE# def prepend( self , key , value , cas = 0 , format = None , persist_to = 0 , replicate_to = 0 ) : #NEWLINE# #INDENT# 'Prepend a string to an existing value in Couchbase.\n\n        .. seealso:: :meth:`append`, :meth:`prepend_multi`\n        ' #NEWLINE# return _Base . prepend ( self , key , value , cas = cas , format = format , persist_to = persist_to , replicate_to = replicate_to )