Privatize RootedTraceableSet.
Privatize RootedTraceableSet.

notriddle/servo,peterjoel/servo,KiChjang/servo,ConnorGBrewster/servo,mbrubeck/servo,jimberlage/servo,eddyb/servo,upsuper/servo,eddyb/servo,ConnorGBrewster/servo,paulrouget/servo,mbrubeck/servo,dsandeephegde/servo,splav/servo,upsuper/servo,notriddle/servo,mbrubeck/servo,nnethercote/servo,DominoTree/servo,fiji-flo/servo,CJ8664/servo,sadmansk/servo,emilio/servo,szeged/servo,upsuper/servo,pyfisch/servo,saneyuki/servo,thiagopnts/servo,CJ8664/servo,notriddle/servo,splav/servo,KiChjang/servo,peterjoel/servo,cbrewster/servo,jimberlage/servo,upsuper/servo,saneyuki/servo,CJ8664/servo,fiji-flo/servo,notriddle/servo,szeged/servo,szeged/servo,cbrewster/servo,dati91/servo,jimberlage/servo,cbrewster/servo,CJ8664/servo,mattnenterprise/servo,nnethercote/servo,CJ8664/servo,rnestler/servo,mattnenterprise/servo,SimonSapin/servo,KiChjang/servo,ConnorGBrewster/servo,rnestler/servo,DominoTree/servo,jimberlage/servo,dati91/servo,saneyuki/servo,pyfisch/servo,SimonSapin/servo,mattnenterprise/servo,anthgur/servo,szeged/servo,paulrouget/servo,jimberlage/servo,peterjoel/servo,dati91/servo,dsandeephegde/servo,fiji-flo/servo,DominoTree/servo,notriddle/servo,notriddle/servo,notriddle/servo,eddyb/servo,DominoTree/servo,cbrewster/servo,KiChjang/servo,szeged/servo,pyfisch/servo,sadmansk/servo,anthgur/servo,sadmansk/servo,canaltinova/servo,fiji-flo/servo,emilio/servo,SimonSapin/servo,rnestler/servo,jimberlage/servo,eddyb/servo,larsbergstrom/servo,ConnorGBrewster/servo,KiChjang/servo,larsbergstrom/servo,canaltinova/servo,nnethercote/servo,saneyuki/servo,cbrewster/servo,larsbergstrom/servo,DominoTree/servo,pyfisch/servo,thiagopnts/servo,anthgur/servo,emilio/servo,saneyuki/servo,larsbergstrom/servo,dati91/servo,KiChjang/servo,peterjoel/servo,szeged/servo,fiji-flo/servo,upsuper/servo,sadmansk/servo,avadacatavra/servo,splav/servo,paulrouget/servo,anthgur/servo,upsuper/servo,saneyuki/servo,splav/servo,cbrewster/servo,saneyuki/servo,fiji-flo/servo,cbrewster/servo,canaltinova/servo,canaltinova/servo,larsbergstrom/servo,CJ8664/servo,fiji-flo/servo,KiChjang/servo,emilio/servo,eddyb/servo,mattnenterprise/servo,thiagopnts/servo,paulrouget/servo,thiagopnts/servo,DominoTree/servo,rnestler/servo,sadmansk/servo,canaltinova/servo,peterjoel/servo,nnethercote/servo,anthgur/servo,pyfisch/servo,saneyuki/servo,jimberlage/servo,peterjoel/servo,emilio/servo,eddyb/servo,rnestler/servo,emilio/servo,SimonSapin/servo,peterjoel/servo,szeged/servo,dati91/servo,DominoTree/servo,pyfisch/servo,pyfisch/servo,DominoTree/servo,dsandeephegde/servo,pyfisch/servo,ConnorGBrewster/servo,ConnorGBrewster/servo,splav/servo,avadacatavra/servo,rnestler/servo,DominoTree/servo,SimonSapin/servo,pyfisch/servo,eddyb/servo,szeged/servo,mattnenterprise/servo,paulrouget/servo,peterjoel/servo,splav/servo,larsbergstrom/servo,mbrubeck/servo,avadacatavra/servo,dsandeephegde/servo,splav/servo,mattnenterprise/servo,sadmansk/servo,peterjoel/servo,ConnorGBrewster/servo,saneyuki/servo,nnethercote/servo,notriddle/servo,cbrewster/servo,CJ8664/servo,nnethercote/servo,notriddle/servo,sadmansk/servo,mbrubeck/servo,paulrouget/servo,nnethercote/servo,jimberlage/servo,avadacatavra/servo,nnethercote/servo,anthgur/servo,SimonSapin/servo,emilio/servo,avadacatavra/servo,thiagopnts/servo,mbrubeck/servo,KiChjang/servo,paulrouget/servo,splav/servo,larsbergstrom/servo,canaltinova/servo,jimberlage/servo,upsuper/servo,rnestler/servo,thiagopnts/servo,nnethercote/servo,larsbergstrom/servo,szeged/servo,ConnorGBrewster/servo,paulrouget/servo,dati91/servo,DominoTree/servo,mbrubeck/servo,emilio/servo,nnethercote/servo,fiji-flo/servo,CJ8664/servo,avadacatavra/servo,larsbergstrom/servo,dsandeephegde/servo,paulrouget/servo,mattnenterprise/servo,emilio/servo,splav/servo,dati91/servo,anthgur/servo,KiChjang/servo,szeged/servo,KiChjang/servo,thiagopnts/servo,thiagopnts/servo,saneyuki/servo,splav/servo,dati91/servo,avadacatavra/servo,mbrubeck/servo,emilio/servo,peterjoel/servo,larsbergstrom/servo,eddyb/servo,avadacatavra/servo,canaltinova/servo,dsandeephegde/servo,dsandeephegde/servo,rnestler/servo,canaltinova/servo,notriddle/servo,SimonSapin/servo,pyfisch/servo,SimonSapin/servo,anthgur/servo,paulrouget/servo,upsuper/servo,dsandeephegde/servo,sadmansk/servo,mattnenterprise/servo