Documentation for this module has not been written yet. By the time it reaches 1.0.0, it will have full documentation.
In the meantime, check out the example.js file in the repository for a usage demonstration.
Rough notes for the future documentation are below:
This is a dummy validator that will do nothing, and let any value pass, It's useful in cases where values are default-denied and you want to whitelist them without any actual validation rules, eg. within has-shape properties.