∀ (nextIdx : ℕ) (lmap : Std.HashMap Lean.LMVarId Lean.Level) (emap : Std.HashMap Lean.MVarId Lean.Expr)
  (mctx : Lean.MetavarContext) (nextIdx_1 : ℕ) (lmap_1 : Std.HashMap Lean.LMVarId Lean.Level)
  (emap_1 : Std.HashMap Lean.MVarId Lean.Expr) (mctx_1 : Lean.MetavarContext),
  ({ nextIdx := nextIdx, lmap := lmap, emap := emap, mctx := mctx } =
      { nextIdx := nextIdx_1, lmap := lmap_1, emap := emap_1, mctx := mctx_1 }) =
    (nextIdx = nextIdx_1 ∧ lmap = lmap_1 ∧ emap = emap_1 ∧ mctx = mctx_1)