suspend fun User.isAuthorizedAwait(authority: String): Boolean
Is the user authorised to
authority - the authority - what this really means is determined by the specific implementation. It might represent a permission to access a resource e.g. printers:printer34 or it might represent authority to a role in a roles based model, e.g. role:admin.
resultHandler - handler that will be called with an io.vertx.core.AsyncResult containing the value true if the they has the authority or false otherwise.
Returnthe
User to enable fluent use *