[rbs] #7547 sync method isn't async anymore
[rbs] #7547 sync method isn't async anymore

OPEN-ENT-NG/rbs,docdoku/rbs,docdoku/rbs,OPEN-ENT-NG/rbs,OPEN-ENT-NG/rbs,docdoku/rbs,OPEN-ENT-NG/rbs,OPEN-ENT-NG/rbs