The current NIP-42 AUTH challenge string, or null if none has been received yet
The pubkeys that are not yet authenticated for requirement, or null when requirement is true
The machine-readable reason string reported by the relay
The relay that requires authentication
The exact wire request the relay refused
The auth requirement configured for the operation that triggered this auth phase
The URL of the relay
The context passed to a RelayAuthHandler when a relay signals that authentication is required for a specific operation (RAUTH-01)