∀ {ι : Type u_1} {R : ι → Type u_2} {𝓕 : Filter ι} {S : ι → Type u_3} [inst : (i : ι) → SetLike (S i) (R i)]
  {B : (i : ι) → S i} [inst_1 : (i : ι) → AddMonoid (R i)] [inst_2 : ∀ (i : ι), AddSubmonoidClass (S i) (R i)],
  RestrictedProduct.coeAddMonoidHom = { toFun := DFunLike.coe, map_zero' := ⋯, map_add' := ⋯ }