UNKNOWN
Description:
UNKNOWN
A return value when there was no 'credentials-required' signal emitted yet, or a pair 'authenticate' signal had been received.
This value should not be used in the call of 'credentials-required'.
A return value when there was no 'credentials-required' signal emitted yet, or a pair 'authenticate' signal had been received.
This value should not be used in the call of 'credentials-required'.