∀ {E : Type u_1} {X : Type u_2} [inst : TopologicalSpace E] [inst_1 : TopologicalSpace X] {f : E → X} {G : Type u_4}
  [inst_2 : AddGroup G] [inst_3 : AddAction G E], IsAddQuotientCoveringMap f G → ContinuousConstVAdd G E