error[E04001]: restricted visibility
  ┌─ tests/move_check/typing/pack_unpack_private.move:8:9
  │
8 │         C::T {}
  │         ^^^^^^^ Invalid instantiation of '0x43::C::T'.
All structs can only be constructed in the module in which they are declared

error[E04001]: restricted visibility
   ┌─ tests/move_check/typing/pack_unpack_private.move:11:13
   │
11 │         let C::T {} = c;
   │             ^^^^^^^ Invalid deconstruction binding of '0x43::C::T'.
 All structs can only be deconstructed in the module in which they are declared