Assert if there is an important declaration while collecting animated properties in keyframes.
Assert if there is an important declaration while collecting animated properties in keyframes.

Parser has already dropped it.

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