protected.lean:10:7: error: unknown identifier 'x'
sorryAx ?m : ?m
Foo.x : Nat
Foo.y : Nat
protected.lean:22:7: error: unknown identifier 'y'
sorryAx ?m : ?m
z : Nat
protected.lean:25:14: error: protected declarations must be in a namespace
protected.lean:28:14: error: unknown identifier 'f'
8
protected.lean:38:14: error: unknown identifier 'g'
protected.lean:47:6: error: unknown identifier 'g'
protected.lean:47:0: error: application type mismatch
  Lean.runEval fun («_» : Unit) => sorryAx ?m
argument
  fun («_» : Unit) => sorryAx ?m
has type
  Unit → ?m
but is expected to have type
  Unit → ?m
8