.HIGHEST_PROTOCOL: Nat
.DEFAULT_PROTOCOL: Nat

.dump!: (obj: Obj, file: PathLike, protocol := Nat) => NoneType
.dumps: (obj: Obj, protocol := Nat) -> Bytes
.load!: (
    file: PathLike,
    fix_imports := Bool,
    encoding := Str,
    errors := Str,
) => Obj
.loads: (
    data: Bytes,
    fix_imports := Bool,
    encoding := Str,
    errors := Str
) -> Obj