∀ {α : Type u} [inst : BEq α] [inst_1 : Hashable α] {β : Type v} {m : Std.DHashMap.Raw α fun x => β} [EquivBEq α]
  [LawfulHashable α] [inst_4 : Inhabited β],
  m.WF → ∀ {a : α} {h : a ∈ m}, Std.DHashMap.Raw.Const.get m a h = Std.DHashMap.Raw.Const.get! m a