The current TwitchPlugin.
Authorisation token to validate.
Whether or not the validation should be done asynchronously, using fibers.
Name of the calling function.
A JSONValue with the validation information JSON of the current authorisation header/client ID pair.
UnexpectedJSONException on unexpected JSON received. TwitchQueryException on other failure.
Validates an access key, retrieving information about it.
Note: Must be called from inside a Fiber.