Checks if the input data can be handled by this class. Throws an error if it can't handle the data.
Input data that could potentially be handled.
A promise resolving if the input can be handled, rejecting with an Error if not.
Input data that will be handled if it can be handled.
A promise resolving if the input can be handled, rejecting with an Error if not. Return value depends on the given type.
Add the necessary WAC-Allow header values. Solid, §10.1: "Servers exposing client’s access privileges on a resource URL MUST advertise by including the WAC-Allow HTTP header in the response of HTTP HEAD and GET requests." https://solid.github.io/specification/protocol#web-access-control