This documentation is not using the current rendering mechanism and is probably outdated. The extension maintainer should switch to the new system. Details on how to use the rendering mechanism can be found here.
As this extensions needs to be implemented by other extensions, it doesn't provide any additional information except the rendering of tasks.
It is possible to hide tasks from users by using the following TSconfig (User TSconfig):
Be aware that the parts between the
> need to be replace by the
actual extension key and class name.