fs.lchown(path, uid, gid, callback)

Passing an invalid callback to the callback argument now throws ERR_INVALID_ARG_TYPE instead of ERR_INVALID_CALLBACK.

This API is no longer deprecated.

The callback parameter is no longer optional. Not passing it will throw a TypeError at runtime.

The callback parameter is no longer optional. Not passing it will emit a deprecation warning with id DEP0013.

Documentation-only deprecation.