Finds already available token information for a given url. This function uses already stored information to lookup the token. Token information is only available if 'findTokenFor' method was invoked.
url for which a token should be looked up.
Finds a token for a given url. The client should respect the transport metadata information. A token lookup result may be undefined, which means that no token is found.
url for which a token should be looked up.
Optional
options: AbortOptionstransports an abort signal (optional)
A token services is responsible to manage tokens in the client.