toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (applicationPubKey != null) 'applicationPubKey': applicationPubKey!,
if (auth != null) 'auth': auth!,
if (endpoint != null) 'endpoint': endpoint!,
if (p256dh != null) 'p256dh': p256dh!,
};