refactor MappingHelper.
refactor MappingHelper.

kerrizor/calagator,matthewkmayer/calagator,L2-D2/calagator,reidab/calagator,oktober/calagator,VolunteerOdyssey/calagator,oktober/calagator,jmcduffie32/calagator,iamBalaji/Calagator,shawnacscott/calagator,kerrizor/calagator,reidab/calagator,nblackburn87/calagator,bencornelis/calagator,kerrizor/calagator,VolunteerOdyssey/calagator,jmcduffie32/calagator,bencornelis/calagator,shawnacscott/calagator,bencornelis/calagator,cp/calagator-1,iamBalaji/Calagator,matthewkmayer/calagator,cp/calagator-1,shawnacscott/calagator,cp/calagator-1,iamBalaji/Calagator,oktober/calagator,reidab/calagator,alexbeeken/calagator.org,dudleysr/calagator-workspace,oktober/calagator,L2-D2/calagator,VolunteerOdyssey/calagator,matthewkmayer/calagator,nblackburn87/calagator,jmcduffie32/calagator,matthewkmayer/calagator,shawnacscott/calagator,dudleysr/calagator-workspace,jmcduffie32/calagator,L2-D2/calagator,kerrizor/calagator,iamBalaji/Calagator,reidab/calagator,nblackburn87/calagator,bencornelis/calagator,alexbeeken/calagator.org,cp/calagator-1,L2-D2/calagator